WIP: try to avoide test exception

Author: vchudnov-g

tests/system/test_response_metadata.py

@@ -96,14 +96,18 @@ async def test_metadata_response_unary_async(
         request_content = "The hail in Wales falls mainly on the snails."
         request_metadata = ("something3", "something_value3")
 
-        if transport == "grpc_asyncio":
-            client, interceptor = intercepted_echo_grpc_async
-        else:
-            client, interceptor = intercepted_echo_rest_async
-        response = await client.echo(
-            request=showcase.EchoRequest(content=request_content),
-            metadata=(request_metadata,),
-        )
+        try:
+            if transport == "grpc_asyncio":
+                client, interceptor = intercepted_echo_grpc_async
+            else:
+                client, interceptor = intercepted_echo_rest_async
+            response = await client.echo(
+                request=showcase.EchoRequest(content=request_content),
+                metadata=(request_metadata,),
+            )
+        catch Exception as exception:
+            print(f"Encountered exception: {exception}")
+
         assert response.content == request_content
         assert request_metadata in interceptor.request_metadata
         assert response_metadata in interceptor.response_metadata