diff --git a/src/python/grpcio_tests/tests_aio/tests.json b/src/python/grpcio_tests/tests_aio/tests.json
index 605a088f204..e3afb39a502 100644
--- a/src/python/grpcio_tests/tests_aio/tests.json
+++ b/src/python/grpcio_tests/tests_aio/tests.json
@@ -13,5 +13,6 @@
   "unit.init_test.TestSecureChannel",
   "unit.interceptor_test.TestInterceptedUnaryUnaryCall",
   "unit.interceptor_test.TestUnaryUnaryClientInterceptor",
+  "unit.metadata_test.TestMetadata",
   "unit.server_test.TestServer"
 ]