diff --git a/src/python/interop/interop/_insecure_interop_test.py b/src/python/interop/interop/_insecure_interop_test.py
index 42e7a4d5c49bf2b2d8c8403d0cf6ef66c9112526..98ea3a664886e07f64836a344418a243673348ac 100644
--- a/src/python/interop/interop/_insecure_interop_test.py
+++ b/src/python/interop/interop/_insecure_interop_test.py
@@ -54,4 +54,4 @@ class InsecureInteropTest(
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/interop/interop/_secure_interop_test.py b/src/python/interop/interop/_secure_interop_test.py
index 27e76315b6623718c3b074bb4d94ec960c8cdf38..be7618f54986c3fa21468cf31283eb756710eea0 100644
--- a/src/python/interop/interop/_secure_interop_test.py
+++ b/src/python/interop/interop/_secure_interop_test.py
@@ -61,4 +61,4 @@ class SecureInteropTest(
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/_adapter/_blocking_invocation_inline_service_test.py b/src/python/src/grpc/_adapter/_blocking_invocation_inline_service_test.py
index 3cd51928d31f2f846fef8101b2a23a1a08ccaa91..7a8ff0ad891bc4a887dbfe95a87926aee9ac169c 100644
--- a/src/python/src/grpc/_adapter/_blocking_invocation_inline_service_test.py
+++ b/src/python/src/grpc/_adapter/_blocking_invocation_inline_service_test.py
@@ -43,4 +43,4 @@ class BlockingInvocationInlineServiceTest(
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/_adapter/_c_test.py b/src/python/src/grpc/_adapter/_c_test.py
index 6e15adbda84dc4e822d9d3ea7bd63687c4ed2722..b06215f0e535519fbeae522bc0fc7c965ed8efea 100644
--- a/src/python/src/grpc/_adapter/_c_test.py
+++ b/src/python/src/grpc/_adapter/_c_test.py
@@ -216,4 +216,4 @@ class _CTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/_adapter/_event_invocation_synchronous_event_service_test.py b/src/python/src/grpc/_adapter/_event_invocation_synchronous_event_service_test.py
index b9a13ce69fd9b1646ac85a2ba7c74038325ca8fa..b8ceb75d680da22b44ffec5c4b22bffd9d9b6dee 100644
--- a/src/python/src/grpc/_adapter/_event_invocation_synchronous_event_service_test.py
+++ b/src/python/src/grpc/_adapter/_event_invocation_synchronous_event_service_test.py
@@ -43,4 +43,4 @@ class EventInvocationSynchronousEventServiceTest(
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/_adapter/_future_invocation_asynchronous_event_service_test.py b/src/python/src/grpc/_adapter/_future_invocation_asynchronous_event_service_test.py
index 7d6a4ffc17af6d2ddd1e943275d74b7302a043b6..3773e6557556cc735078515d76c847db3373c8f2 100644
--- a/src/python/src/grpc/_adapter/_future_invocation_asynchronous_event_service_test.py
+++ b/src/python/src/grpc/_adapter/_future_invocation_asynchronous_event_service_test.py
@@ -43,4 +43,4 @@ class FutureInvocationAsynchronousEventServiceTest(
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/_adapter/_links_test.py b/src/python/src/grpc/_adapter/_links_test.py
index 4fd76f60f8876b01bb78bc1cc19f69c0f9888972..50257d8691f8fbe325d7b8c58918432c1e5f6b1e 100644
--- a/src/python/src/grpc/_adapter/_links_test.py
+++ b/src/python/src/grpc/_adapter/_links_test.py
@@ -274,4 +274,4 @@ class RoundTripTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/_adapter/_lonely_rear_link_test.py b/src/python/src/grpc/_adapter/_lonely_rear_link_test.py
index bdb1ee2379ef63f1eead9e528890582bc3cf30d0..7f5021f40e1887930361a75d99d61d8c16bebbaf 100644
--- a/src/python/src/grpc/_adapter/_lonely_rear_link_test.py
+++ b/src/python/src/grpc/_adapter/_lonely_rear_link_test.py
@@ -97,4 +97,4 @@ class LonelyRearLinkTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/_adapter/_low_test.py b/src/python/src/grpc/_adapter/_low_test.py
index 09c4660a2b84db0f053a3039415b516498cea9f6..d4b628c2aea93ecad39be3fbbaae67fc4a596925 100644
--- a/src/python/src/grpc/_adapter/_low_test.py
+++ b/src/python/src/grpc/_adapter/_low_test.py
@@ -412,4 +412,4 @@ class ExpirationTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/early_adopter/implementations_test.py b/src/python/src/grpc/early_adopter/implementations_test.py
index 32b974724cc2dafbe05d26c19a98d75e09573fa5..49f0e949c45f83721bae63f3435111b4e50bc533 100644
--- a/src/python/src/grpc/early_adopter/implementations_test.py
+++ b/src/python/src/grpc/early_adopter/implementations_test.py
@@ -177,4 +177,4 @@ class EarlyAdopterImplementationsTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/framework/base/implementations_test.py b/src/python/src/grpc/framework/base/implementations_test.py
index d40bb4d92eebfbde19c2552d62aa48156596fd68..72087f44566225f3a2932e5b2d7e6822b2f0f46e 100644
--- a/src/python/src/grpc/framework/base/implementations_test.py
+++ b/src/python/src/grpc/framework/base/implementations_test.py
@@ -77,4 +77,4 @@ class ImplementationsTest(
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/framework/face/blocking_invocation_inline_service_test.py b/src/python/src/grpc/framework/face/blocking_invocation_inline_service_test.py
index 636cd701ff1b9dcf1d6a8562f4962d2caf18ca2d..763f0f0edcc80385ed7872fead7666391fc53dcf 100644
--- a/src/python/src/grpc/framework/face/blocking_invocation_inline_service_test.py
+++ b/src/python/src/grpc/framework/face/blocking_invocation_inline_service_test.py
@@ -43,4 +43,4 @@ class BlockingInvocationInlineServiceTest(
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/framework/face/event_invocation_synchronous_event_service_test.py b/src/python/src/grpc/framework/face/event_invocation_synchronous_event_service_test.py
index 25f3e297b5c5e5fae1facd75070ab34fbe67e6dd..e1ab3cf71164c064bae93b0c23fa2fbc9509997c 100644
--- a/src/python/src/grpc/framework/face/event_invocation_synchronous_event_service_test.py
+++ b/src/python/src/grpc/framework/face/event_invocation_synchronous_event_service_test.py
@@ -43,4 +43,4 @@ class EventInvocationSynchronousEventServiceTest(
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/framework/face/future_invocation_asynchronous_event_service_test.py b/src/python/src/grpc/framework/face/future_invocation_asynchronous_event_service_test.py
index 38229ea9f4a473ac917b3513b1b06df22b033060..2d13bb911d668e5265ed852209eb060023367b47 100644
--- a/src/python/src/grpc/framework/face/future_invocation_asynchronous_event_service_test.py
+++ b/src/python/src/grpc/framework/face/future_invocation_asynchronous_event_service_test.py
@@ -43,4 +43,4 @@ class FutureInvocationAsynchronousEventServiceTest(
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/framework/foundation/_later_test.py b/src/python/src/grpc/framework/foundation/_later_test.py
index e83e7031289be7e749092a0b52442c696186785d..6c2459e185196a2abf145589bf556636f94a5519 100644
--- a/src/python/src/grpc/framework/foundation/_later_test.py
+++ b/src/python/src/grpc/framework/foundation/_later_test.py
@@ -148,4 +148,4 @@ class LaterTest(unittest.TestCase):
       self.assertEqual(return_value, future_passed_to_callback_cell[0].result())
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/src/python/src/grpc/framework/foundation/_logging_pool_test.py b/src/python/src/grpc/framework/foundation/_logging_pool_test.py
index c92cf8c0ab6f8ffe054f7ad0d0f0436c6efc98b8..452802da6ab881b26edb00046f360a1598907a71 100644
--- a/src/python/src/grpc/framework/foundation/_logging_pool_test.py
+++ b/src/python/src/grpc/framework/foundation/_logging_pool_test.py
@@ -61,4 +61,4 @@ class LoggingPoolTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main(verbosity=2)
diff --git a/test/compiler/python_plugin_test.py b/test/compiler/python_plugin_test.py
index ad3bebac3061975e13041288365c4ba5778a288d..367effdb1a393d07f3368256492daef80f2421a1 100644
--- a/test/compiler/python_plugin_test.py
+++ b/test/compiler/python_plugin_test.py
@@ -520,4 +520,4 @@ class PythonPluginTest(unittest.TestCase):
 
 if __name__ == '__main__':
   os.chdir(os.path.dirname(sys.argv[0]))
-  unittest.main()
+  unittest.main(verbosity=2)