make C# interop test args parsing compliant with spec

1 files changed, 3 insertions, 3 deletions

diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index 374dec1851..abc4b6e6fb 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -100,17 +100,17 @@ class CSharpLanguage:
 
   def cloud_to_prod_args(self):
     return (self.client_cmdline_base + _CLOUD_TO_PROD_BASE_ARGS +
-            ['--use_tls'])
+            ['--use_tls=true'])
 
   def cloud_to_cloud_args(self):
     return (self.client_cmdline_base + _CLOUD_TO_CLOUD_BASE_ARGS +
-            ['--use_tls', '--use_test_ca'])
+            ['--use_tls=true', '--use_test_ca=true'])
 
   def cloud_to_prod_env(self):
     return _SSL_CERT_ENV
 
   def server_args(self):
-    return ['mono', 'Grpc.IntegrationTesting.Server.exe', '--use_tls']
+    return ['mono', 'Grpc.IntegrationTesting.Server.exe', '--use_tls=true']
 
   def __str__(self):
     return 'csharp'