fixup! refactor: update test files to use ParsedMessage

Author: dsp-ant

tests/issues/test_201_client_hangs_on_logging.py

@@ -121,7 +121,7 @@ async def run_server():
 
         # Get response and verify
         response = await receive_stream2.receive()
-        assert response.root.result["content"][0]["text"] == "true"
+        assert response.root.root.result["content"][0]["text"] == "true"
 
         # Cancel server task
         tg.cancel_scope.cancel()
@@ -220,7 +220,7 @@ async def run_server():
 
         # Get response and verify
         response = await receive_stream2.receive()
-        assert response.root.result["content"][0]["text"] == "true"
+        assert response.root.root.result["content"][0]["text"] == "true"
 
         # Cancel server task
         tg.cancel_scope.cancel()