Skip test_decoupled_one_response_on_and_post_return

qa/L0_backend_python/response_sender/response_sender_test.py

@@ -517,12 +517,16 @@ def test_decoupled_one_response_pre_and_on_return(self):
         #       using `py_future.result()` with error hangs on exit.
 
     # Decoupled model return 1 response and send 1 response.
+    @unittest.skip("Response factory segmentation fault, see the TODO comment.")
     def test_decoupled_one_response_on_and_post_return(self):
         # Note: The returned response will send an error response and complete final
         #       flag. The response sender is not yet closed due to the model is still
         #       executing. Then, sending a response and final flag will make their way
         #       to the frontend, but the request is completed at the frontend, so they
         #       are not sent to the client.
+        # TODO: The error response will close the response factory, but not the response
+        #       sender, which enables the model to send response and final flag on the
+        #       deleted response factory and causes a segmentation fault.
         responses = self._infer(
             model_name="response_sender_decoupled",
             number_of_response_before_return=0,