fix test

Author: parthea

tests/system/conftest.py

@@ -17,6 +17,7 @@
 from unittest import mock
 import os
 import pytest
+import pytest_asyncio
 
 from typing import Sequence, Tuple
 
@@ -407,7 +408,7 @@ def intercepted_echo_grpc(use_mtls):
     return EchoClient(transport=transport), interceptor
 
 
-@pytest.fixture
+@pytest_asyncio.fixture
 async def intercepted_echo_grpc_async():
     # The interceptor adds 'showcase-trailer' client metadata. Showcase server
     # echoes any metadata with key 'showcase-trailer', so the same metadata

tests/system/test_response_metadata.py

@@ -95,7 +95,7 @@ async def test_metadata_response_unary_async(
         request_metadata = ("something3", "something_value3")
 
         if transport == "grpc_asyncio":
-            client, interceptor = await intercepted_echo_grpc_async
+            client, interceptor = intercepted_echo_grpc_async
         else:
             client, interceptor = intercepted_echo_rest_async
         response = await client.echo(