Add linux, mac as test platforms, only run _with_poll tests on linux

3 files changed, 2430 insertions, 1291 deletions

diff --git a/tools/buildgen/plugins/expand_bin_attrs.py b/tools/buildgen/plugins/expand_bin_attrs.py
index 0896a5a165..9c6c31e9a3 100755
--- a/tools/buildgen/plugins/expand_bin_attrs.py
+++ b/tools/buildgen/plugins/expand_bin_attrs.py
@@ -47,5 +47,5 @@ def mako_plugin(dictionary):
 
   for tgt in targets:
     tgt['flaky'] = tgt.get('flaky', False)
-    tgt['platforms'] = tgt.get('platforms', ['windows', 'posix'])
+    tgt['platforms'] = sorted(tgt.get('platforms', ['windows', 'posix']))
 
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index fa749498d2..df201c409e 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -54,6 +54,17 @@ 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):
 
@@ -109,11 +120,7 @@ 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
@@ -245,11 +252,7 @@ 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',
@@ -262,7 +265,7 @@ 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,
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 3c60f0cdcb..4be8295d5a 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -6,8 +6,8 @@
     "language": "c", 
     "name": "alarm_heap_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -15,8 +15,8 @@
     "language": "c", 
     "name": "alarm_list_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -24,8 +24,8 @@
     "language": "c", 
     "name": "alarm_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -33,8 +33,8 @@
     "language": "c", 
     "name": "alpn_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -42,8 +42,8 @@
     "language": "c", 
     "name": "bin_encoder_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -51,8 +51,8 @@
     "language": "c", 
     "name": "chttp2_status_conversion_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -60,8 +60,8 @@
     "language": "c", 
     "name": "chttp2_stream_encoder_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -69,8 +69,8 @@
     "language": "c", 
     "name": "chttp2_stream_map_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -78,6 +78,8 @@
     "language": "c", 
     "name": "dualstack_socket_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -86,6 +88,8 @@
     "language": "c", 
     "name": "fd_conservation_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -94,6 +98,8 @@
     "language": "c", 
     "name": "fd_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -102,6 +108,8 @@
     "language": "c", 
     "name": "fling_stream_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -110,6 +118,8 @@
     "language": "c", 
     "name": "fling_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -118,8 +128,8 @@
     "language": "c", 
     "name": "gpr_cancellable_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -127,8 +137,8 @@
     "language": "c", 
     "name": "gpr_cmdline_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -136,8 +146,8 @@
     "language": "c", 
     "name": "gpr_env_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -145,8 +155,8 @@
     "language": "c", 
     "name": "gpr_file_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -154,8 +164,8 @@
     "language": "c", 
     "name": "gpr_histogram_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -163,8 +173,8 @@
     "language": "c", 
     "name": "gpr_host_port_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -172,8 +182,8 @@
     "language": "c", 
     "name": "gpr_log_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -181,8 +191,8 @@
     "language": "c", 
     "name": "gpr_slice_buffer_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -190,8 +200,8 @@
     "language": "c", 
     "name": "gpr_slice_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -199,8 +209,8 @@
     "language": "c", 
     "name": "gpr_stack_lockfree_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -208,8 +218,8 @@
     "language": "c", 
     "name": "gpr_string_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -217,8 +227,8 @@
     "language": "c", 
     "name": "gpr_sync_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -226,8 +236,8 @@
     "language": "c", 
     "name": "gpr_thd_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -235,8 +245,8 @@
     "language": "c", 
     "name": "gpr_time_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -244,8 +254,8 @@
     "language": "c", 
     "name": "gpr_tls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -253,8 +263,8 @@
     "language": "c", 
     "name": "gpr_useful_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -262,8 +272,8 @@
     "language": "c", 
     "name": "grpc_auth_context_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -271,8 +281,8 @@
     "language": "c", 
     "name": "grpc_base64_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -280,8 +290,8 @@
     "language": "c", 
     "name": "grpc_byte_buffer_reader_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -289,8 +299,8 @@
     "language": "c", 
     "name": "grpc_channel_stack_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -298,8 +308,8 @@
     "language": "c", 
     "name": "grpc_completion_queue_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -307,8 +317,8 @@
     "language": "c", 
     "name": "grpc_credentials_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -316,8 +326,8 @@
     "language": "c", 
     "name": "grpc_json_token_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -325,8 +335,8 @@
     "language": "c", 
     "name": "grpc_jwt_verifier_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -334,8 +344,8 @@
     "language": "c", 
     "name": "grpc_security_connector_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -343,8 +353,8 @@
     "language": "c", 
     "name": "grpc_stream_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -352,8 +362,8 @@
     "language": "c", 
     "name": "hpack_parser_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -361,8 +371,8 @@
     "language": "c", 
     "name": "hpack_table_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -370,8 +380,8 @@
     "language": "c", 
     "name": "httpcli_format_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -379,8 +389,8 @@
     "language": "c", 
     "name": "httpcli_parser_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -388,6 +398,8 @@
     "language": "c", 
     "name": "httpcli_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -396,8 +408,8 @@
     "language": "c", 
     "name": "json_rewrite_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -405,8 +417,8 @@
     "language": "c", 
     "name": "json_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -414,8 +426,8 @@
     "language": "c", 
     "name": "lame_client_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -423,8 +435,8 @@
     "language": "c", 
     "name": "message_compress_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -432,8 +444,8 @@
     "language": "c", 
     "name": "multi_init_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -441,8 +453,8 @@
     "language": "c", 
     "name": "multiple_server_queues_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -450,8 +462,8 @@
     "language": "c", 
     "name": "murmur_hash_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -459,8 +471,8 @@
     "language": "c", 
     "name": "no_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -468,6 +480,8 @@
     "language": "c", 
     "name": "poll_kick_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -476,8 +490,8 @@
     "language": "c", 
     "name": "resolve_address_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -485,8 +499,8 @@
     "language": "c", 
     "name": "secure_endpoint_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -494,8 +508,8 @@
     "language": "c", 
     "name": "sockaddr_utils_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -503,6 +517,8 @@
     "language": "c", 
     "name": "tcp_client_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -511,6 +527,8 @@
     "language": "c", 
     "name": "tcp_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -519,6 +537,8 @@
     "language": "c", 
     "name": "tcp_server_posix_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -527,8 +547,8 @@
     "language": "c", 
     "name": "time_averaged_stats_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -536,8 +556,8 @@
     "language": "c", 
     "name": "timeout_encoding_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -545,8 +565,8 @@
     "language": "c", 
     "name": "timers_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -554,8 +574,8 @@
     "language": "c", 
     "name": "transport_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -563,8 +583,8 @@
     "language": "c", 
     "name": "transport_security_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -572,8 +592,8 @@
     "language": "c", 
     "name": "uri_parser_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -581,8 +601,8 @@
     "language": "c++", 
     "name": "async_end2end_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -590,6 +610,8 @@
     "language": "c++", 
     "name": "async_streaming_ping_pong_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -598,6 +620,8 @@
     "language": "c++", 
     "name": "async_unary_ping_pong_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -606,8 +630,8 @@
     "language": "c++", 
     "name": "auth_property_iterator_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -615,8 +639,8 @@
     "language": "c++", 
     "name": "channel_arguments_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -624,8 +648,8 @@
     "language": "c++", 
     "name": "cli_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -633,6 +657,8 @@
     "language": "c++", 
     "name": "client_crash_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -641,8 +667,8 @@
     "language": "c++", 
     "name": "credentials_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -650,8 +676,8 @@
     "language": "c++", 
     "name": "cxx_byte_buffer_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -659,8 +685,8 @@
     "language": "c++", 
     "name": "cxx_slice_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -668,8 +694,8 @@
     "language": "c++", 
     "name": "cxx_time_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -677,8 +703,8 @@
     "language": "c++", 
     "name": "dynamic_thread_pool_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -686,8 +712,8 @@
     "language": "c++", 
     "name": "end2end_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -695,8 +721,8 @@
     "language": "c++", 
     "name": "fixed_size_thread_pool_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -704,8 +730,8 @@
     "language": "c++", 
     "name": "generic_end2end_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -713,6 +739,8 @@
     "language": "c++", 
     "name": "interop_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -721,8 +749,8 @@
     "language": "c++", 
     "name": "mock_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -730,6 +758,8 @@
     "language": "c++", 
     "name": "qps_openloop_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -738,6 +768,8 @@
     "language": "c++", 
     "name": "qps_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -746,8 +778,8 @@
     "language": "c++", 
     "name": "secure_auth_context_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -755,6 +787,8 @@
     "language": "c++", 
     "name": "server_crash_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -763,8 +797,8 @@
     "language": "c++", 
     "name": "status_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -772,6 +806,8 @@
     "language": "c++", 
     "name": "sync_streaming_ping_pong_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -780,6 +816,8 @@
     "language": "c++", 
     "name": "sync_unary_ping_pong_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -788,8 +826,8 @@
     "language": "c++", 
     "name": "thread_stress_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -797,8 +835,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -806,8 +846,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -815,8 +857,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -824,8 +868,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -833,8 +879,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -842,8 +890,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -851,8 +901,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -860,8 +912,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_channel_connectivity_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -869,8 +923,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -878,8 +934,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -887,8 +945,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -896,8 +956,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -905,8 +967,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -914,8 +978,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -923,8 +989,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -932,8 +1000,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -941,8 +1011,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -950,8 +1022,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -959,8 +1033,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -968,8 +1044,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -977,8 +1055,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -986,8 +1066,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -995,8 +1077,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1004,8 +1088,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1013,8 +1099,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1022,8 +1110,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1031,8 +1121,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1040,8 +1132,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1049,8 +1143,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1058,8 +1154,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1067,8 +1165,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1076,8 +1176,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1085,8 +1187,10 @@
     "language": "c", 
     "name": "chttp2_fake_security_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1094,8 +1198,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1103,8 +1209,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1112,8 +1220,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1121,8 +1231,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1130,8 +1242,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1139,8 +1253,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1148,8 +1264,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1157,8 +1275,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_channel_connectivity_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1166,8 +1286,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1175,8 +1297,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1184,8 +1308,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1193,8 +1319,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1202,8 +1330,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1211,8 +1341,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1220,8 +1352,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1229,8 +1363,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1238,8 +1374,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1247,8 +1385,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1256,8 +1396,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1265,8 +1407,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1274,8 +1418,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1283,8 +1429,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1292,8 +1440,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1301,8 +1451,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1310,8 +1462,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1319,8 +1473,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1328,8 +1484,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1337,8 +1495,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1346,8 +1506,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1355,8 +1517,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1364,8 +1528,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1373,8 +1539,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1382,8 +1550,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1391,8 +1561,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1400,8 +1572,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1409,8 +1583,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1418,8 +1594,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1427,8 +1605,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1436,8 +1616,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1445,8 +1627,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1454,8 +1638,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_channel_connectivity_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1463,8 +1649,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1472,8 +1660,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1481,8 +1671,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1490,8 +1682,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1499,8 +1693,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1508,8 +1704,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1517,8 +1715,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1526,8 +1726,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1535,8 +1737,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1544,8 +1748,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1553,8 +1759,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1562,8 +1770,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1571,8 +1781,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1580,8 +1792,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1589,8 +1803,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1598,8 +1814,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1607,8 +1825,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1616,8 +1836,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1625,8 +1847,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1634,8 +1858,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1643,8 +1869,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1652,8 +1880,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1661,8 +1891,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1670,8 +1902,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1679,8 +1913,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -1688,6 +1924,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_bad_hostname_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1696,6 +1934,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_after_accept_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1704,6 +1944,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1712,6 +1954,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_after_invoke_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1720,6 +1964,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_before_invoke_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1728,6 +1974,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_in_a_vacuum_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1736,6 +1984,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_census_simple_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1744,6 +1994,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_channel_connectivity_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1752,6 +2004,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_disappearing_server_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1760,6 +2014,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1768,6 +2024,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_early_server_shutdown_finishes_tags_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1776,6 +2034,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_empty_batch_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1784,6 +2044,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_graceful_server_shutdown_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1792,6 +2054,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_invoke_large_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1800,6 +2064,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_max_concurrent_streams_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1808,6 +2074,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_max_message_length_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1816,6 +2084,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_no_op_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1824,6 +2094,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_ping_pong_streaming_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1832,6 +2104,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_registered_call_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1840,6 +2114,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1848,6 +2124,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1856,6 +2134,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1864,6 +2144,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1872,6 +2154,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1880,6 +2164,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_compressed_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1888,6 +2174,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_flags_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1896,6 +2184,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_large_metadata_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1904,6 +2194,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_payload_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1912,6 +2204,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_server_finishes_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1920,6 +2214,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_simple_delayed_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1928,6 +2224,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_simple_request_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1936,6 +2234,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -1944,7 +2244,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_bad_hostname_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -1952,7 +2252,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -1960,7 +2260,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -1968,7 +2268,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -1976,7 +2276,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -1984,7 +2284,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -1992,7 +2292,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_census_simple_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2000,7 +2300,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_channel_connectivity_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2008,7 +2308,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_disappearing_server_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2016,7 +2316,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2024,7 +2324,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2032,7 +2332,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_empty_batch_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2040,7 +2340,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_graceful_server_shutdown_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2048,7 +2348,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_invoke_large_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2056,7 +2356,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_max_concurrent_streams_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2064,7 +2364,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_max_message_length_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2072,7 +2372,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_no_op_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2080,7 +2380,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_ping_pong_streaming_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2088,7 +2388,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_registered_call_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2096,7 +2396,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2104,7 +2404,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2112,7 +2412,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2120,7 +2420,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2128,7 +2428,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2136,7 +2436,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_with_compressed_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2144,7 +2444,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_with_flags_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2152,7 +2452,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_with_large_metadata_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2160,7 +2460,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_with_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2168,7 +2468,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_server_finishes_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2176,7 +2476,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_simple_delayed_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2184,7 +2484,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2192,7 +2492,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2200,7 +2500,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_bad_hostname_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2208,7 +2508,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_after_accept_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2216,7 +2516,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2224,7 +2524,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_after_invoke_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2232,7 +2532,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_before_invoke_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2240,7 +2540,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_in_a_vacuum_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2248,7 +2548,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_census_simple_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2256,7 +2556,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_channel_connectivity_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2264,7 +2564,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_default_host_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2272,7 +2572,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_disappearing_server_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2280,7 +2580,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2288,7 +2588,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2296,7 +2596,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_empty_batch_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2304,7 +2604,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_graceful_server_shutdown_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2312,7 +2612,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_invoke_large_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2320,7 +2620,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_max_concurrent_streams_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2328,7 +2628,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_max_message_length_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2336,7 +2636,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_no_op_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2344,7 +2644,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_ping_pong_streaming_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2352,7 +2652,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_registered_call_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2360,7 +2660,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2368,7 +2668,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2376,7 +2676,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_response_with_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2384,7 +2684,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2392,7 +2692,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2400,7 +2700,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_compressed_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2408,7 +2708,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_flags_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2416,7 +2716,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_large_metadata_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2424,7 +2724,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2432,7 +2732,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_server_finishes_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2440,7 +2740,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_simple_delayed_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2448,7 +2748,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_simple_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2456,7 +2756,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -2464,8 +2764,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2473,8 +2775,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2482,8 +2786,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2491,8 +2797,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2500,8 +2808,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2509,8 +2819,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2518,8 +2830,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2527,8 +2841,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2536,8 +2852,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2545,8 +2863,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2554,8 +2874,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2563,8 +2885,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2572,8 +2896,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2581,8 +2907,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2590,8 +2918,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2599,8 +2929,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2608,8 +2940,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2617,8 +2951,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2626,8 +2962,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2635,8 +2973,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2644,8 +2984,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2653,8 +2995,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2662,8 +3006,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2671,8 +3017,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2680,8 +3028,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2689,8 +3039,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2698,8 +3050,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2707,8 +3061,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2716,8 +3072,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2725,8 +3083,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2734,8 +3094,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2743,8 +3105,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2752,8 +3116,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2761,8 +3127,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2770,8 +3138,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2779,8 +3149,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2788,8 +3160,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_channel_connectivity_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2797,8 +3171,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2806,8 +3182,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2815,8 +3193,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2824,8 +3204,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2833,8 +3215,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2842,8 +3226,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2851,8 +3237,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2860,8 +3248,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2869,8 +3259,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2878,8 +3270,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2887,8 +3281,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2896,8 +3292,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2905,8 +3303,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2914,8 +3314,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2923,8 +3325,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2932,8 +3336,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2941,8 +3347,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2950,8 +3358,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2959,8 +3369,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2968,8 +3380,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2977,8 +3391,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2986,8 +3402,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -2995,8 +3413,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3004,8 +3424,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3013,8 +3435,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3022,7 +3446,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_bad_hostname_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3030,7 +3454,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_after_accept_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3038,7 +3462,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3046,7 +3470,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_after_invoke_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3054,7 +3478,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_before_invoke_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3062,7 +3486,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_cancel_in_a_vacuum_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3070,7 +3494,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_census_simple_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3078,7 +3502,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_channel_connectivity_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3086,7 +3510,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_default_host_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3094,7 +3518,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_disappearing_server_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3102,7 +3526,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3110,7 +3534,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3118,7 +3542,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_empty_batch_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3126,7 +3550,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_graceful_server_shutdown_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3134,7 +3558,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_invoke_large_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3142,7 +3566,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_max_concurrent_streams_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3150,7 +3574,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_max_message_length_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3158,7 +3582,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_no_op_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3166,7 +3590,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_ping_pong_streaming_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3174,7 +3598,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_registered_call_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3182,7 +3606,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3190,7 +3614,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3198,7 +3622,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3206,7 +3630,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3214,7 +3638,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3222,7 +3646,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_with_compressed_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3230,7 +3654,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3238,7 +3662,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3246,7 +3670,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_request_with_payload_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3254,7 +3678,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_server_finishes_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3262,7 +3686,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_simple_delayed_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3270,7 +3694,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_simple_request_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3278,7 +3702,7 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -3286,8 +3710,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3295,8 +3721,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3304,8 +3732,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3313,8 +3743,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3322,8 +3754,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3331,8 +3765,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3340,8 +3776,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3349,8 +3787,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3358,8 +3798,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3367,8 +3809,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3376,8 +3820,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3385,8 +3831,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3394,8 +3842,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3403,8 +3853,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3412,8 +3864,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3421,8 +3875,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3430,8 +3886,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3439,8 +3897,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3448,8 +3908,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3457,8 +3919,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3466,8 +3930,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3475,8 +3941,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3484,8 +3952,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3493,8 +3963,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3502,8 +3974,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3511,8 +3985,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3520,8 +3996,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3529,8 +4007,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3538,8 +4018,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_proxy_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3547,8 +4029,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3556,8 +4040,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3565,8 +4051,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3574,8 +4062,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3583,8 +4073,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3592,8 +4084,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3601,8 +4095,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3610,8 +4106,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_channel_connectivity_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3619,8 +4117,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_default_host_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3628,8 +4128,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3637,8 +4139,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3646,8 +4150,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3655,8 +4161,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3664,8 +4172,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3673,8 +4183,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3682,8 +4194,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3691,8 +4205,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3700,8 +4216,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3709,8 +4227,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3718,8 +4238,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3727,8 +4249,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3736,8 +4260,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3745,8 +4271,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3754,8 +4282,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3763,8 +4293,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3772,8 +4304,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3781,8 +4315,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3790,8 +4326,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3799,8 +4337,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3808,8 +4348,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3817,8 +4359,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3826,8 +4370,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3835,8 +4381,10 @@
     "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3844,8 +4392,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3853,8 +4403,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3862,8 +4414,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3871,8 +4425,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3880,8 +4436,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3889,8 +4447,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3898,8 +4458,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3907,8 +4469,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3916,8 +4480,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3925,8 +4491,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3934,8 +4502,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3943,8 +4513,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3952,8 +4524,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3961,8 +4535,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3970,8 +4546,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3979,8 +4557,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3988,8 +4568,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -3997,8 +4579,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4006,8 +4590,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4015,8 +4601,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4024,8 +4612,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4033,8 +4623,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4042,8 +4634,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4051,8 +4645,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4060,8 +4656,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4069,8 +4667,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4078,8 +4678,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4087,8 +4689,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4096,8 +4700,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4105,8 +4711,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4114,8 +4722,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4123,8 +4733,10 @@
     "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"
     ]
   }, 
   {
@@ -4132,8 +4744,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4141,8 +4755,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4150,8 +4766,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4159,8 +4777,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4168,8 +4788,10 @@
     "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"
     ]
   }, 
   {
@@ -4177,8 +4799,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4186,8 +4810,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4195,8 +4821,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4204,8 +4832,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4213,8 +4843,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4222,8 +4854,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4231,8 +4865,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4240,8 +4876,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4249,8 +4887,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4258,8 +4898,10 @@
     "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"
     ]
   }, 
   {
@@ -4267,8 +4909,10 @@
     "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"
     ]
   }, 
   {
@@ -4276,8 +4920,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4285,8 +4931,10 @@
     "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"
     ]
   }, 
   {
@@ -4294,8 +4942,10 @@
     "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"
     ]
   }, 
   {
@@ -4303,8 +4953,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4312,8 +4964,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4321,8 +4975,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4330,8 +4986,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4339,8 +4997,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4348,8 +5008,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4357,8 +5019,10 @@
     "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"
     ]
   }, 
   {
@@ -4366,8 +5030,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_bad_hostname_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4375,8 +5041,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4384,8 +5052,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4393,8 +5063,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4402,8 +5074,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4411,8 +5085,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4420,8 +5096,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_census_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4429,8 +5107,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4438,8 +5118,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4447,8 +5129,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_empty_batch_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4456,8 +5140,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4465,8 +5151,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_invoke_large_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4474,8 +5162,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4483,8 +5173,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_max_message_length_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4492,8 +5184,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_no_op_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4501,8 +5195,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4510,8 +5206,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_registered_call_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4519,8 +5217,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4528,8 +5228,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4537,8 +5239,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4546,8 +5250,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4555,8 +5261,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4564,8 +5272,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_compressed_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4573,8 +5283,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_flags_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4582,8 +5294,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4591,8 +5305,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_payload_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4600,8 +5316,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_server_finishes_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4609,8 +5327,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_simple_request_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4618,8 +5338,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4627,8 +5349,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4636,8 +5360,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4645,8 +5371,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4654,8 +5382,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4663,8 +5393,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4672,8 +5404,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4681,8 +5415,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4690,8 +5426,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_channel_connectivity_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4699,8 +5437,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_default_host_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4708,8 +5448,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_disappearing_server_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4717,8 +5459,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4726,8 +5470,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4735,8 +5481,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4744,8 +5492,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4753,8 +5503,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4762,8 +5514,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4771,8 +5525,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4780,8 +5536,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4789,8 +5547,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4798,8 +5558,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_registered_call_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4807,8 +5569,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4816,8 +5580,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4825,8 +5591,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4834,8 +5602,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4843,8 +5613,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_with_compressed_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4852,8 +5624,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_with_flags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4861,8 +5635,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4870,8 +5646,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_request_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4879,8 +5657,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_server_finishes_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4888,8 +5668,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_simple_delayed_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4897,8 +5679,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4906,8 +5690,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4915,8 +5701,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4924,8 +5712,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4933,8 +5723,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4942,8 +5734,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4951,8 +5745,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4960,8 +5756,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4969,8 +5767,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4978,8 +5778,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_channel_connectivity_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4987,8 +5789,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_default_host_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -4996,8 +5800,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_disappearing_server_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5005,8 +5811,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5014,8 +5822,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5023,8 +5833,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5032,8 +5844,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5041,8 +5855,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5050,8 +5866,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5059,8 +5877,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5068,8 +5888,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5077,8 +5899,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5086,8 +5910,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_registered_call_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5095,8 +5921,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5104,8 +5932,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5113,8 +5943,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5122,8 +5954,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5131,8 +5965,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_compressed_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5140,8 +5976,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_flags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5149,8 +5987,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5158,8 +5998,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_request_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5167,8 +6009,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_server_finishes_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5176,8 +6020,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_simple_delayed_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5185,8 +6031,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5194,8 +6042,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_compression_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5203,6 +6053,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_bad_hostname_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5211,6 +6063,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_after_accept_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5219,6 +6073,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5227,6 +6083,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_after_invoke_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5235,6 +6093,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_before_invoke_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5243,6 +6103,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5251,6 +6113,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_census_simple_request_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5259,6 +6123,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_channel_connectivity_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5267,6 +6133,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_disappearing_server_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5275,6 +6143,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5283,6 +6153,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5291,6 +6163,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_empty_batch_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5299,6 +6173,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_graceful_server_shutdown_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5307,6 +6183,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_invoke_large_request_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5315,6 +6193,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_max_concurrent_streams_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5323,6 +6203,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_max_message_length_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5331,6 +6213,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_no_op_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5339,6 +6223,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_ping_pong_streaming_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5347,6 +6233,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_registered_call_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5355,6 +6243,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5363,6 +6253,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5371,6 +6263,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5379,6 +6273,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5387,6 +6283,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_compressed_payload_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5395,6 +6293,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_flags_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5403,6 +6303,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5411,6 +6313,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_request_with_payload_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5419,6 +6323,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_server_finishes_request_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5427,6 +6333,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_simple_delayed_request_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5435,6 +6343,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_simple_request_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5443,6 +6353,8 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
+      "linux", 
+      "mac", 
       "posix"
     ]
   }, 
@@ -5451,7 +6363,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_bad_hostname_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5459,7 +6371,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5467,7 +6379,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5475,7 +6387,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5483,7 +6395,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5491,7 +6403,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5499,7 +6411,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_census_simple_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5507,7 +6419,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_channel_connectivity_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5515,7 +6427,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_disappearing_server_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5523,7 +6435,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5531,7 +6443,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5539,7 +6451,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_empty_batch_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5547,7 +6459,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5555,7 +6467,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_invoke_large_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5563,7 +6475,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5571,7 +6483,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_max_message_length_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5579,7 +6491,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_no_op_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5587,7 +6499,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5595,7 +6507,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_registered_call_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5603,7 +6515,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5611,7 +6523,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5619,7 +6531,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5627,7 +6539,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5635,7 +6547,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_with_compressed_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5643,7 +6555,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_with_flags_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5651,7 +6563,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5659,7 +6571,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_request_with_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5667,7 +6579,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_server_finishes_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5675,7 +6587,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_simple_delayed_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5683,7 +6595,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5691,7 +6603,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5699,7 +6611,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_bad_hostname_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5707,7 +6619,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5715,7 +6627,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5723,7 +6635,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5731,7 +6643,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5739,7 +6651,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5747,7 +6659,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_census_simple_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5755,7 +6667,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_channel_connectivity_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5763,7 +6675,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_default_host_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5771,7 +6683,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_disappearing_server_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5779,7 +6691,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5787,7 +6699,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5795,7 +6707,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_empty_batch_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5803,7 +6715,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5811,7 +6723,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_invoke_large_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5819,7 +6731,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5827,7 +6739,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_max_message_length_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5835,7 +6747,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_no_op_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5843,7 +6755,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5851,7 +6763,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_registered_call_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5859,7 +6771,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5867,7 +6779,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5875,7 +6787,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5883,7 +6795,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5891,7 +6803,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_compressed_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5899,7 +6811,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_flags_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5907,7 +6819,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5915,7 +6827,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_request_with_payload_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5923,7 +6835,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_server_finishes_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5931,7 +6843,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_simple_delayed_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5939,7 +6851,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_simple_request_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5947,7 +6859,7 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_poll_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -5955,8 +6867,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5964,8 +6878,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5973,8 +6889,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5982,8 +6900,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -5991,8 +6911,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6000,8 +6922,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6009,8 +6933,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6018,8 +6944,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_default_host_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6027,8 +6955,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_disappearing_server_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6036,8 +6966,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6045,8 +6977,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6054,8 +6988,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6063,8 +6999,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6072,8 +7010,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6081,8 +7021,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6090,8 +7032,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6099,8 +7043,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6108,8 +7054,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_registered_call_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6117,8 +7065,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6126,8 +7076,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6135,8 +7087,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6144,8 +7098,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6153,8 +7109,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6162,8 +7120,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_request_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6171,8 +7131,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_server_finishes_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6180,8 +7142,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_delayed_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6189,8 +7153,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6198,8 +7164,10 @@
     "language": "c", 
     "name": "chttp2_fullstack_with_proxy_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6207,8 +7175,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6216,8 +7186,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6225,8 +7197,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6234,8 +7208,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6243,8 +7219,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6252,8 +7230,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6261,8 +7241,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6270,8 +7252,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6279,8 +7263,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6288,8 +7274,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6297,8 +7285,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6306,8 +7296,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6315,8 +7307,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6324,8 +7318,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6333,8 +7329,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6342,8 +7340,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6351,8 +7351,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_registered_call_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6360,8 +7362,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6369,8 +7373,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6378,8 +7384,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6387,8 +7395,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6396,8 +7406,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_compressed_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6405,8 +7417,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_flags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6414,8 +7428,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6423,8 +7439,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_request_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6432,8 +7450,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_server_finishes_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6441,8 +7461,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6450,8 +7472,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6459,8 +7483,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6468,8 +7494,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6477,8 +7505,10 @@
     "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"
     ]
   }, 
   {
@@ -6486,8 +7516,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6495,8 +7527,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6504,8 +7538,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6513,8 +7549,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6522,8 +7560,10 @@
     "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"
     ]
   }, 
   {
@@ -6531,8 +7571,10 @@
     "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"
     ]
   }, 
   {
@@ -6540,8 +7582,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6549,8 +7593,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6558,8 +7604,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6567,8 +7615,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6576,8 +7626,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6585,8 +7637,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6594,8 +7648,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6603,8 +7659,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6612,8 +7670,10 @@
     "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"
     ]
   }, 
   {
@@ -6621,8 +7681,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6630,8 +7692,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6639,8 +7703,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6648,8 +7714,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_compressed_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6657,8 +7725,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6666,8 +7736,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6675,8 +7747,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6684,8 +7758,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6693,8 +7769,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6702,8 +7780,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6711,8 +7791,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6720,8 +7802,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6729,8 +7813,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6738,8 +7824,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6747,8 +7835,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6756,8 +7846,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6765,8 +7857,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6774,8 +7868,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6783,8 +7879,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6792,8 +7890,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6801,8 +7901,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6810,8 +7912,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6819,8 +7923,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6828,8 +7934,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6837,8 +7945,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6846,8 +7956,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6855,8 +7967,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6864,8 +7978,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6873,8 +7989,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6882,8 +8000,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6891,8 +8011,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6900,8 +8022,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_compressed_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6909,8 +8033,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6918,8 +8044,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6927,8 +8055,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6936,8 +8066,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6945,8 +8077,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6954,8 +8088,10 @@
     "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6963,8 +8099,8 @@
     "language": "c", 
     "name": "connection_prefix_bad_client_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }, 
   {
@@ -6972,8 +8108,8 @@
     "language": "c", 
     "name": "initial_settings_frame_bad_client_test", 
     "platforms": [
-      "windows", 
-      "posix"
+      "posix", 
+      "windows"
     ]
   }
 ]