Merge remote-tracking branch 'upstream/master' into add_udp_server_2

10 files changed, 6796 insertions, 1330 deletions

diff --git a/tools/run_tests/build_python.sh b/tools/run_tests/build_python.sh
index 203c8b7720..2efc2c714d 100755
--- a/tools/run_tests/build_python.sh
+++ b/tools/run_tests/build_python.sh
@@ -34,8 +34,10 @@ set -ex
 cd $(dirname $0)/../..
 
 ROOT=`pwd`
+PATH=$ROOT/bins/$CONFIG:$ROOT/bins/$CONFIG/protobuf:$PATH
 GRPCIO=$ROOT/src/python/grpcio
 GRPCIO_TEST=$ROOT/src/python/grpcio_test
+GRPCIO_HEALTH_CHECKING=$ROOT/src/python/grpcio_health_checking
 
 make_virtualenv() {
   virtualenv_name="python"$1"_virtual_environment"
@@ -54,6 +56,9 @@ make_virtualenv() {
     cd $GRPCIO_TEST
     pip install -r requirements.txt
     pip install $GRPCIO_TEST
+
+    # Install grpcio_health_checking
+    pip install $GRPCIO_HEALTH_CHECKING
   else
     source $virtualenv_name/bin/activate
     # Uninstall and re-install the packages we care about. Don't use
@@ -62,12 +67,14 @@ make_virtualenv() {
     # dependency upgrades.
     (yes | pip uninstall grpcio) || true
     (yes | pip uninstall grpcio_test) || true
+    (yes | pip uninstall grpcio_health_checking) || true
     (CFLAGS="-I$ROOT/include -std=c89" LDFLAGS=-L$ROOT/libs/$CONFIG GRPC_PYTHON_BUILD_WITH_CYTHON=1 pip install $GRPCIO) || (
       # Fall back to rebuilding the entire environment
       rm -rf $virtualenv_name
       make_virtualenv $1
     )
     pip install $GRPCIO_TEST
+    pip install $GRPCIO_HEALTH_CHECKING
   fi
 }
 
diff --git a/tools/run_tests/jobset.py b/tools/run_tests/jobset.py
index e5e778a3f1..b7e0089269 100755
--- a/tools/run_tests/jobset.py
+++ b/tools/run_tests/jobset.py
@@ -164,13 +164,15 @@ class JobSpec(object):
 class Job(object):
   """Manages one job."""
 
-  def __init__(self, spec, bin_hash, newline_on_success, travis, xml_report):
+  def __init__(self, spec, bin_hash, newline_on_success, travis, add_env, xml_report):
     self._spec = spec
     self._bin_hash = bin_hash
     self._tempfile = tempfile.TemporaryFile()
     env = os.environ.copy()
     for k, v in spec.environ.iteritems():
       env[k] = v
+    for k, v in add_env.iteritems():
+      env[k] = v
     self._start = time.time()
     self._process = subprocess.Popen(args=spec.cmdline,
                                      stderr=subprocess.STDOUT,
@@ -229,7 +231,7 @@ class Jobset(object):
   """Manages one run of jobs."""
 
   def __init__(self, check_cancelled, maxjobs, newline_on_success, travis,
-               stop_on_failure, cache, xml_report):
+               stop_on_failure, add_env, cache, xml_report):
     self._running = set()
     self._check_cancelled = check_cancelled
     self._cancelled = False
@@ -242,6 +244,7 @@ class Jobset(object):
     self._stop_on_failure = stop_on_failure
     self._hashes = {}
     self._xml_report = xml_report
+    self._add_env = add_env
 
   def start(self, spec):
     """Start a job. Return True on success, False on failure."""
@@ -264,16 +267,12 @@ class Jobset(object):
       bin_hash = None
       should_run = True
     if should_run:
-      try:
-        self._running.add(Job(spec,
-                              bin_hash,
-                              self._newline_on_success,
-                              self._travis,
-                              self._xml_report))
-      except:
-        message('FAILED', spec.shortname)
-        self._cancelled = True
-        return False
+      self._running.add(Job(spec,
+                            bin_hash,
+                            self._newline_on_success,
+                            self._travis,
+                            self._add_env,
+                            self._xml_report))
     return True
 
   def reap(self):
@@ -344,10 +343,11 @@ def run(cmdlines,
         infinite_runs=False,
         stop_on_failure=False,
         cache=None,
-        xml_report=None):
+        xml_report=None,
+        add_env={}):
   js = Jobset(check_cancelled,
               maxjobs if maxjobs is not None else _DEFAULT_MAX_JOBS,
-              newline_on_success, travis, stop_on_failure,
+              newline_on_success, travis, stop_on_failure, add_env,
               cache if cache is not None else NoCache(),
               xml_report)
   for cmdline in cmdlines:
diff --git a/tools/run_tests/port_server.py b/tools/run_tests/port_server.py
new file mode 100755
index 0000000000..0f81470d28
--- /dev/null
+++ b/tools/run_tests/port_server.py
@@ -0,0 +1,117 @@
+#!/usr/bin/env python
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Manage TCP ports for unit tests; started by run_tests.py"""
+
+import argparse
+import BaseHTTPServer
+import hashlib
+import os
+import socket
+import sys
+import time
+
+argp = argparse.ArgumentParser(description='Server for httpcli_test')
+argp.add_argument('-p', '--port', default=12345, type=int)
+args = argp.parse_args()
+
+print 'port server running on port %d' % args.port
+
+pool = []
+in_use = {}
+
+with open(__file__) as f:
+  _MY_VERSION = hashlib.sha1(f.read()).hexdigest()
+
+
+def refill_pool():
+  """Scan for ports not marked for being in use"""
+  for i in range(10000, 65000):
+    if len(pool) > 100: break
+    if i in in_use:
+      age = time.time() - in_use[i]
+      if age < 600:
+        continue
+      del in_use[i]
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    try:
+      s.bind(('localhost', i))
+      pool.append(i)
+    except:
+      pass # we really don't care about failures
+    finally:
+      s.close()
+
+
+def allocate_port():
+  global pool
+  global in_use
+  if not pool:
+    refill_pool()
+  port = pool[0]
+  pool = pool[1:]
+  in_use[port] = time.time()
+  return port
+
+
+keep_running = True
+
+
+class Handler(BaseHTTPServer.BaseHTTPRequestHandler):
+
+  def do_GET(self):
+    global keep_running
+    if self.path == '/get':
+      # allocate a new port, it will stay bound for ten minutes and until
+      # it's unused
+      self.send_response(200)
+      self.send_header('Content-Type', 'text/plain')
+      self.end_headers()
+      p = allocate_port()
+      self.log_message('allocated port %d' % p)
+      self.wfile.write('%d' % p)
+    elif self.path == '/version':
+      # fetch a version string and the current process pid
+      self.send_response(200)
+      self.send_header('Content-Type', 'text/plain')
+      self.end_headers()
+      self.wfile.write(_MY_VERSION)
+    elif self.path == '/quit':
+      self.send_response(200)
+      self.end_headers()
+      keep_running = False
+
+
+httpd = BaseHTTPServer.HTTPServer(('', args.port), Handler)
+while keep_running:
+  httpd.handle_request()
+
+print 'done'
+
diff --git a/tools/run_tests/run_interops.py b/tools/run_tests/run_interops.py
index 1cf268526d..4e6b5ce2f6 100755
--- a/tools/run_tests/run_interops.py
+++ b/tools/run_tests/run_interops.py
@@ -4,24 +4,20 @@ import jobset
 
 argp = argparse.ArgumentParser(description='Run interop tests.')
 argp.add_argument('-l', '--language',
-                  choices=['build_only', 'c++'],
-                  nargs='+',
-                  default=['build_only'])
+                  default='c++')
 args = argp.parse_args()
 
 # build job
-build_steps = 'tools/run_tests/run_interops_build.sh'
-build_job = jobset.JobSpec(cmdline=build_steps, shortname='build')
+build_job = jobset.JobSpec(cmdline=['tools/run_tests/run_interops_build.sh', '%s' % args.language], shortname='build')
 
-# test jobs
+# test jobs, each test is a separate job to run in parallel
 _TESTS = ['large_unary', 'empty_unary', 'ping_pong', 'client_streaming', 'server_streaming']
 jobs = []
 jobNumber = 0
-for lang in args.language:
-  for test in _TESTS:
-    test_job = jobset.JobSpec(cmdline=['tools/run_tests/run_interops_test.sh', '%s' % lang, '%s' % test], shortname=test)
-    jobs.append(test_job)
-    jobNumber+=1
+for test in _TESTS:
+  test_job = jobset.JobSpec(cmdline=['tools/run_tests/run_interops_test.sh', '%s' % args.language, '%s' % test], shortname=test)
+  jobs.append(test_job)
+  jobNumber+=1
 
 root = ET.Element('testsuites')
 testsuite = ET.SubElement(root, 'testsuite', id='1', package='grpc', name='tests')
diff --git a/tools/run_tests/run_interops_build.sh b/tools/run_tests/run_interops_build.sh
index 23441a5300..ff1a26cf89 100755
--- a/tools/run_tests/run_interops_build.sh
+++ b/tools/run_tests/run_interops_build.sh
@@ -29,6 +29,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+language=$1
+
 set -e
 
 #clean up any old docker files and start mirroring repository if not started already
@@ -40,8 +42,34 @@ sudo docker run -d -e GCS_BUCKET=docker-interop-images  -e STORAGE_PATH=/admin/d
 #prepare building by pulling down base images and necessary files
 sudo docker pull 0.0.0.0:5000/grpc/base
 sudo docker tag -f 0.0.0.0:5000/grpc/base grpc/base
-gsutil cp -R gs://docker-interop-images/admin/service_account tools/dockerfile/grpc_cxx
-gsutil cp -R gs://docker-interop-images/admin/cacerts tools/dockerfile/grpc_cxx
 
-#build docker file, add more languages later
-sudo docker build --no-cache -t grpc/cxx tools/dockerfile/grpc_cxx
+if [ "$language" = "c++" ]
+then
+  gsutil cp -R gs://docker-interop-images/admin/service_account tools/dockerfile/grpc_cxx
+  gsutil cp -R gs://docker-interop-images/admin/cacerts tools/dockerfile/grpc_cxx
+  sudo docker build --no-cache -t grpc/cxx tools/dockerfile/grpc_cxx
+elif [ "$language" = "node" ]
+then
+  sudo docker pull 0.0.0.0:5000/grpc/node_base
+  sudo docker tag -f 0.0.0.0:5000/grpc/node_base grpc/node_base
+  gsutil cp -R gs://docker-interop-images/admin/service_account tools/dockerfile/grpc_node
+  gsutil cp -R gs://docker-interop-images/admin/cacerts tools/dockerfile/grpc_node
+  sudo docker build --no-cache -t grpc/node tools/dockerfile/grpc_node
+elif [ "$language" = "ruby" ]
+then
+  sudo docker pull 0.0.0.0:5000/grpc/ruby_base
+  sudo docker tag -f 0.0.0.0:5000/grpc/ruby_base grpc/ruby_base
+  gsutil cp -R gs://docker-interop-images/admin/service_account tools/dockerfile/grpc_ruby
+  gsutil cp -R gs://docker-interop-images/admin/cacerts tools/dockerfile/grpc_ruby
+  sudo docker build --no-cache -t grpc/ruby tools/dockerfile/grpc_ruby
+elif [ "$language" = "php" ]
+then
+  sudo docker pull 0.0.0.0:5000/grpc/php_base
+  sudo docker tag -f 0.0.0.0:5000/grpc/php_base grpc/php_base
+  gsutil cp -R gs://docker-interop-images/admin/service_account tools/dockerfile/grpc_php
+  gsutil cp -R gs://docker-interop-images/admin/cacerts tools/dockerfile/grpc_php
+  sudo docker build --no-cache -t grpc/php tools/dockerfile/grpc_php
+else
+  echo "interop testss not added for $language"
+  exit 1
+fi
diff --git a/tools/run_tests/run_interops_test.sh b/tools/run_tests/run_interops_test.sh
index 1d0eedad85..9be253af46 100755
--- a/tools/run_tests/run_interops_test.sh
+++ b/tools/run_tests/run_interops_test.sh
@@ -36,6 +36,17 @@ set -e
 if [ "$language" = "c++" ]
 then
   sudo docker run grpc/cxx /var/local/git/grpc/bins/opt/interop_client --enable_ssl --use_prod_roots --server_host_override=grpc-test.sandbox.google.com --server_host=grpc-test.sandbox.google.com --server_port=443 --test_case=$test_case
+elif [ "$language" = "node" ]
+then
+  sudo docker run grpc/node /usr/bin/nodejs /var/local/git/grpc/src/node/interop/interop_client.js --use_tls=true --use_test_ca=true --server_port=443 --server_host=grpc-test.sandbox.google.com --server_host_override=grpc-test.sandbox.google.com --test_case=$test_case
+elif [ "$language" = "ruby" ]
+then
+  cmd_prefix="SSL_CERT_FILE=/cacerts/roots.pem ruby /var/local/git/grpc/src/ruby/bin/interop/interop_client.rb --use_tls --server_port=443 --server_host=grpc-test.sandbox.google.com --server_host_override=grpc-test.sandbox.google.com "
+  cmd="$cmd_prefix --test_case=$test_case"
+  sudo docker run grpc/ruby bin/bash -l -c '$cmd'
+elif [ "$language" = "php" ]
+then
+  sudo docker run -e SSL_CERT_FILE=/cacerts/roots.pem grpc/php /var/local/git/grpc/src/php/bin/interop_client.sh --server_port=443 --server_host=grpc-test.sandbox.google.com --server_host_override=grpc-test.sandbox.google.com --test_case=$test_case
 else
   echo "interop testss not added for $language"
   exit 1
diff --git a/tools/run_tests/run_python.sh b/tools/run_tests/run_python.sh
index 5ffd4460b9..6f80219b0e 100755
--- a/tools/run_tests/run_python.sh
+++ b/tools/run_tests/run_python.sh
@@ -37,5 +37,6 @@ ROOT=`pwd`
 GRPCIO_TEST=$ROOT/src/python/grpcio_test
 export LD_LIBRARY_PATH=$ROOT/libs/$CONFIG
 export DYLD_LIBRARY_PATH=$ROOT/libs/$CONFIG
+export PATH=$ROOT/bins/$CONFIG:$ROOT/bins/$CONFIG/protobuf:$PATH
 source "python"$PYVER"_virtual_environment"/bin/activate
 "python"$PYVER $GRPCIO_TEST/setup.py test -a "-n8 --cov=grpc --junitxml=./report.xml"
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index b93f584095..47d2b6183e 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -32,6 +32,7 @@
 
 import argparse
 import glob
+import hashlib
 import itertools
 import json
 import multiprocessing
@@ -43,6 +44,7 @@ import subprocess
 import sys
 import time
 import xml.etree.cElementTree as ET
+import urllib2
 
 import jobset
 import watch_dirs
@@ -54,6 +56,17 @@ os.chdir(ROOT)
 _FORCE_ENVIRON_FOR_WRAPPERS = {}
 
 
+def platform_string():
+  if platform.system() == 'Windows':
+    return 'windows'
+  elif platform.system() == 'Darwin':
+    return 'mac'
+  elif platform.system() == 'Linux':
+    return 'linux'
+  else:
+    return 'posix'
+
+
 # SimpleConfig: just compile with CONFIG=config, and run the binary to test
 class SimpleConfig(object):
 
@@ -109,21 +122,21 @@ class CLanguage(object):
 
   def __init__(self, make_target, test_lang):
     self.make_target = make_target
-    if platform.system() == 'Windows':
-      plat = 'windows'
-    else:
-      plat = 'posix'
-    self.platform = plat
+    self.platform = platform_string()
     with open('tools/run_tests/tests.json') as f:
       js = json.load(f)
       self.binaries = [tgt
                        for tgt in js
                        if tgt['language'] == test_lang and
-                          plat in tgt['platforms']]
+                          platform_string() in tgt['platforms']]
+      self.ci_binaries = [tgt
+                         for tgt in js
+                         if tgt['language'] == test_lang and
+                            platform_string() in tgt['ci_platforms']]
 
   def test_specs(self, config, travis):
     out = []
-    for target in self.binaries:
+    for target in (self.ci_binaries if travis else self.binaries):
       if travis and target['flaky']:
         continue
       if self.platform == 'windows':
@@ -245,11 +258,7 @@ class RubyLanguage(object):
 
 class CSharpLanguage(object):
   def __init__(self):
-    if platform.system() == 'Windows':
-      plat = 'windows'
-    else:
-      plat = 'posix'
-    self.platform = plat
+    self.platform = platform_string()
 
   def test_specs(self, config, travis):
     assemblies = ['Grpc.Core.Tests',
@@ -263,7 +272,7 @@ class CSharpLanguage(object):
     return [config.job_spec([cmd, assembly],
             None, shortname=assembly,
             environ=_FORCE_ENVIRON_FOR_WRAPPERS)
-            for assembly in assemblies ]
+            for assembly in assemblies]
 
   def make_targets(self):
     # For Windows, this target doesn't really build anything,
@@ -523,7 +532,43 @@ class TestCache(object):
         self.parse(json.loads(f.read()))
 
 
-def _build_and_run(check_cancelled, newline_on_success, travis, cache, xml_report=None):
+def _start_port_server(port_server_port):
+  # check if a compatible port server is running
+  # if incompatible (version mismatch) ==> start a new one
+  # if not running ==> start a new one
+  # otherwise, leave it up
+  try:
+    version = urllib2.urlopen('http://localhost:%d/version' % port_server_port).read()
+    running = True
+  except Exception:
+    running = False
+  if running:
+    with open('tools/run_tests/port_server.py') as f:
+      current_version = hashlib.sha1(f.read()).hexdigest()
+      running = (version == current_version)
+      if not running:
+        urllib2.urlopen('http://localhost:%d/quit' % port_server_port).read()
+        time.sleep(1)
+  if not running:
+    port_log = open('portlog.txt', 'w')
+    port_server = subprocess.Popen(
+        ['python', 'tools/run_tests/port_server.py', '-p', '%d' % port_server_port],
+        stderr=subprocess.STDOUT,
+        stdout=port_log)
+    # ensure port server is up
+    while True:
+      try:
+        urllib2.urlopen('http://localhost:%d/get' % port_server_port).read()
+        break
+      except urllib2.URLError:
+        time.sleep(0.5)
+      except:
+        port_server.kill()
+        raise
+
+
+def _build_and_run(
+    check_cancelled, newline_on_success, travis, cache, xml_report=None):
   """Do one pass of building & running tests."""
   # build latest sequentially
   if not jobset.run(build_steps, maxjobs=1,
@@ -533,6 +578,8 @@ def _build_and_run(check_cancelled, newline_on_success, travis, cache, xml_repor
   # start antagonists
   antagonists = [subprocess.Popen(['tools/run_tests/antagonist.py'])
                  for _ in range(0, args.antagonists)]
+  port_server_port = 9999
+  _start_port_server(port_server_port)
   try:
     infinite_runs = runs_per_test == 0
     # When running on travis, we want out test runs to be as similar as possible
@@ -559,7 +606,8 @@ def _build_and_run(check_cancelled, newline_on_success, travis, cache, xml_repor
                       maxjobs=args.jobs,
                       stop_on_failure=args.stop_on_failure,
                       cache=cache if not xml_report else None,
-                      xml_report=testsuite):
+                      xml_report=testsuite,
+                      add_env={'GRPC_TEST_PORT_SERVER': 'localhost:%d' % port_server_port}):
       return 2
   finally:
     for antagonist in antagonists:
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 01c6f13af3..610a529296 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -12266,7 +12266,6 @@
       "src/core/debug/trace.h", 
       "src/core/httpcli/format_request.h", 
       "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/httpcli_security_connector.h", 
       "src/core/httpcli/parser.h", 
       "src/core/iomgr/alarm.h", 
       "src/core/iomgr/alarm_heap.h", 
@@ -12425,7 +12424,6 @@
       "src/core/httpcli/httpcli.c", 
       "src/core/httpcli/httpcli.h", 
       "src/core/httpcli/httpcli_security_connector.c", 
-      "src/core/httpcli/httpcli_security_connector.h", 
       "src/core/httpcli/parser.c", 
       "src/core/httpcli/parser.h", 
       "src/core/iomgr/alarm.c", 
@@ -12740,6 +12738,9 @@
       "src/core/client_config/uri_parser.h", 
       "src/core/compression/message_compress.h", 
       "src/core/debug/trace.h", 
+      "src/core/httpcli/format_request.h", 
+      "src/core/httpcli/httpcli.h", 
+      "src/core/httpcli/parser.h", 
       "src/core/iomgr/alarm.h", 
       "src/core/iomgr/alarm_heap.h", 
       "src/core/iomgr/alarm_internal.h", 
@@ -12878,6 +12879,12 @@
       "src/core/compression/message_compress.h", 
       "src/core/debug/trace.c", 
       "src/core/debug/trace.h", 
+      "src/core/httpcli/format_request.c", 
+      "src/core/httpcli/format_request.h", 
+      "src/core/httpcli/httpcli.c", 
+      "src/core/httpcli/httpcli.h", 
+      "src/core/httpcli/parser.c", 
+      "src/core/httpcli/parser.h", 
       "src/core/iomgr/alarm.c", 
       "src/core/iomgr/alarm.h", 
       "src/core/iomgr/alarm_heap.c", 
@@ -13064,7 +13071,6 @@
       "include/grpc++/async_generic_service.h", 
       "include/grpc++/async_unary_call.h", 
       "include/grpc++/auth_context.h", 
-      "include/grpc++/auth_property_iterator.h", 
       "include/grpc++/byte_buffer.h", 
       "include/grpc++/channel_arguments.h", 
       "include/grpc++/channel_interface.h", 
@@ -13115,7 +13121,6 @@
       "include/grpc++/async_generic_service.h", 
       "include/grpc++/async_unary_call.h", 
       "include/grpc++/auth_context.h", 
-      "include/grpc++/auth_property_iterator.h", 
       "include/grpc++/byte_buffer.h", 
       "include/grpc++/channel_arguments.h", 
       "include/grpc++/channel_interface.h", 
@@ -13240,7 +13245,6 @@
       "include/grpc++/async_generic_service.h", 
       "include/grpc++/async_unary_call.h", 
       "include/grpc++/auth_context.h", 
-      "include/grpc++/auth_property_iterator.h", 
       "include/grpc++/byte_buffer.h", 
       "include/grpc++/channel_arguments.h", 
       "include/grpc++/channel_interface.h", 
@@ -13288,7 +13292,6 @@
       "include/grpc++/async_generic_service.h", 
       "include/grpc++/async_unary_call.h", 
       "include/grpc++/auth_context.h", 
-      "include/grpc++/auth_property_iterator.h", 
       "include/grpc++/byte_buffer.h", 
       "include/grpc++/channel_arguments.h", 
       "include/grpc++/channel_interface.h", 
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 3c6a834c1d..c09d71f833 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -2,564 +2,1065 @@
 
 [
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "alarm_heap_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "alarm_list_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "alarm_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "alpn_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "bin_encoder_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_status_conversion_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_stream_encoder_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_stream_map_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "dualstack_socket_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "fd_conservation_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "fd_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "fling_stream_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "fling_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_cancellable_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_cmdline_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_env_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_file_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_histogram_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_host_port_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_log_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_slice_buffer_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_slice_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_stack_lockfree_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_string_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_sync_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_thd_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_time_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_tls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "gpr_useful_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_auth_context_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_base64_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_byte_buffer_reader_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_channel_stack_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_completion_queue_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_credentials_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_json_token_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_jwt_verifier_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_security_connector_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "grpc_stream_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "hpack_parser_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "hpack_table_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "httpcli_format_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "httpcli_parser_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "httpcli_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "json_rewrite_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "json_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "lame_client_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "message_compress_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "multi_init_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "multiple_server_queues_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "murmur_hash_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "no_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "resolve_address_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "secure_endpoint_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "sockaddr_utils_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "tcp_client_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "tcp_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "tcp_server_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "time_averaged_stats_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "timeout_encoding_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "timers_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "transport_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "transport_security_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "udp_server_test", 
@@ -572,6409 +1073,11163 @@
     "language": "c", 
     "name": "uri_parser_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "async_end2end_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "async_streaming_ping_pong_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "async_unary_ping_pong_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "auth_property_iterator_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "channel_arguments_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "cli_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "client_crash_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "credentials_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "cxx_byte_buffer_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "cxx_slice_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "cxx_time_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "dynamic_thread_pool_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "end2end_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "fixed_size_thread_pool_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "generic_end2end_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "interop_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "mock_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "qps_openloop_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "qps_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "secure_auth_context_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "server_crash_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "status_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "sync_streaming_ping_pong_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "sync_unary_ping_pong_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c++", 
     "name": "thread_stress_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_channel_connectivity_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_channel_connectivity_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_channel_connectivity_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_bad_hostname_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_after_accept_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_after_invoke_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_before_invoke_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_in_a_vacuum_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_census_simple_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_channel_connectivity_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_disappearing_server_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_early_server_shutdown_finishes_tags_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_empty_batch_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_graceful_server_shutdown_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_invoke_large_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_max_concurrent_streams_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_max_message_length_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_no_op_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_ping_pong_streaming_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_registered_call_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_test", 
     "platforms": [
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+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_compressed_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_flags_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_large_metadata_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_server_finishes_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_simple_delayed_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_simple_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_bad_hostname_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_test", 
     "platforms": [
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+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_census_simple_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_channel_connectivity_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_disappearing_server_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_empty_batch_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_channel_connectivity_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_bad_hostname_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_after_accept_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_after_invoke_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_before_invoke_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_in_a_vacuum_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_census_simple_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_channel_connectivity_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_default_host_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_disappearing_server_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
+    "ci_platforms": [
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_no_op_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_invoke_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_before_invoke_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_census_simple_request_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_tags_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_empty_batch_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_invoke_large_request_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_max_concurrent_streams_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_max_message_length_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_no_op_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_registered_call_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test", 
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_metadata_and_payload_test", 
     "platforms": [
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-      "posix"
+      "linux", 
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+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_payload_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_payload_and_call_creds_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_payload_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_server_finishes_request_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_channel_connectivity_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_default_host_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_disappearing_server_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_registered_call_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_with_compressed_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_with_flags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_request_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_server_finishes_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_simple_delayed_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_channel_connectivity_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_default_host_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_disappearing_server_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
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     "name": "chttp2_fullstack_compression_no_op_unsecure_test", 
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+      "mac", 
+      "posix", 
+      "windows"
     ]
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   {
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+      "mac", 
+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_ping_pong_streaming_unsecure_test", 
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+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
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   {
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+      "mac", 
+      "posix", 
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     "language": "c", 
     "name": "chttp2_fullstack_compression_registered_call_unsecure_test", 
     "platforms": [
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+      "mac", 
+      "posix", 
+      "windows"
     ]
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   {
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+      "mac", 
+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_binary_metadata_and_payload_unsecure_test", 
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
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   {
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+      "mac", 
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+      "posix", 
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     "language": "c", 
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+      "posix", 
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     "language": "c", 
     "name": "chttp2_fullstack_compression_server_finishes_request_unsecure_test", 
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+      "posix", 
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     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_bad_hostname_unsecure_test", 
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       "posix"
     ]
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   {
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     "language": "c", 
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       "posix"
     ]
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   {
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       "posix"
     ]
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   {
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   {
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   {
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       "posix"
     ]
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   {
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     "language": "c", 
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       "posix"
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   }, 
   {
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       "posix"
     ]
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   {
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       "posix"
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   {
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       "posix"
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   }, 
   {
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       "posix"
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   {
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       "posix"
     ]
   }, 
   {
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       "posix"
     ]
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   {
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   {
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     "language": "c", 
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       "posix"
     ]
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   {
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     "language": "c", 
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       "posix"
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   {
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       "posix"
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       "posix"
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       "posix"
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       "posix"
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   {
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       "posix"
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   {
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       "posix"
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     "language": "c", 
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   {
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     ]
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   {
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     "name": "chttp2_fullstack_with_proxy_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_server_finishes_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_delayed_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_registered_call_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_compressed_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_flags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_server_finishes_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
+    "ci_platforms": [
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+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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     "language": "c", 
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     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
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   {
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+      "posix", 
+      "windows"
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     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test", 
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+      "windows"
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   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
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     "platforms": [
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-      "posix"
+      "linux", 
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+      "posix", 
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   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_compressed_payload_unsecure_test", 
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-      "posix"
+      "linux", 
+      "mac", 
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+      "windows"
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   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
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   {
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+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test", 
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+      "linux", 
+      "mac", 
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   {
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     "language": "c", 
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     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test", 
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+      "linux", 
+      "mac", 
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   {
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     "language": "c", 
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   {
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     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test", 
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-      "posix"
+      "linux", 
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     ]
   }, 
   {
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+      "mac", 
+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "mac", 
+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "mac", 
+      "posix", 
+      "windows"
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
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     ]
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   {
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+      "posix", 
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     "flaky": false, 
     "language": "c", 
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-      "posix"
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+      "mac", 
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   {
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     "flaky": false, 
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
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+      "windows"
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   }, 
   {
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     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test", 
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   {
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     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test", 
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-      "posix"
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+      "mac", 
+      "posix", 
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     ]
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   {
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+      "posix", 
+      "windows"
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     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test", 
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
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     ]
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   {
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     "name": "chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test", 
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-      "posix"
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   {
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+      "posix", 
+      "windows"
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     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test", 
     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
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   {
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     "flaky": false, 
     "language": "c", 
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     "platforms": [
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
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     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
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   {
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+      "posix", 
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     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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+      "posix", 
+      "windows"
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     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test", 
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-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
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   {
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+      "posix", 
+      "windows"
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     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test", 
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-      "posix"
+      "linux", 
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     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test", 
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     "name": "chttp2_socket_pair_with_grpc_trace_request_with_compressed_payload_unsecure_test", 
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+      "linux", 
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     ]
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   {
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     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test", 
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     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test", 
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-      "posix"
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     ]
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   {
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     "name": "chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test", 
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     ]
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     "language": "c", 
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-      "posix"
+      "linux", 
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     ]
   }, 
   {
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+      "posix", 
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     "language": "c", 
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     ]
   }, 
   {
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     "language": "c", 
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     ]
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   {
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+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "connection_prefix_bad_client_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
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     "flaky": false, 
     "language": "c", 
     "name": "initial_settings_frame_bad_client_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }
 ]
-