code: def test_success(self, patches):
      TorchModelServiceWorker(
          "unix", self.socket_name, None, None, metrics_config_path
      )
      patches.remove.assert_called_once_with(self.socket_name)
      patches.socket.assert_called_once_with(
          socket.AF_UNIX, socket.SOCK_STREAM
      )
  
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 4 for calling the TestInit obj's underlying member method code with example usage: obj.test_success(patches) without return types