code: def patches(self, mocker):
      Patches = namedtuple("Patches", ["retrieve_msg"])
      patches = Patches(
          mocker.patch("ts.model_service_worker.retrieve_msg")
      )
      return patches
  
imports: import os
  import socket
  import sys
  from collections import namedtuple
  import mock
  import pytest
  from mock import Mock
  from ts.model_service_worker import TorchModelServiceWorker
  from ts.service import Service
label_desc: Use image node_id 1 for calling the TestHandleConnection obj's underlying member method code with example usage: obj.patches(mocker) and returns: patches