address review comments

Author: ovidiutaralesca

tests/server/request_handlers/test_default_request_handler.py

@@ -1290,9 +1290,10 @@ async def single_event_stream():
     def create_task_spy(coro):
         nonlocal produced_task, cleanup_task
         task = orig_create_task(coro)
-        if produced_task is None:
+        # Inspect the coroutine name to make the spy more robust
+        if coro.__name__ == '_run_event_stream':
             produced_task = task
-        else:
+        elif coro.__name__ == '_cleanup_producer':
             cleanup_task = task
         return task