code: def setUp(self):
      session = Mock(requests.Session)
      session.get.return_value = self.mock_response(200)
      session.post.return_value = self.mock_response(200)
      session.put.return_value = self.mock_response(200)
      session.delete.return_value = self.mock_response(204)
  
      self.rnw = RequestsNetworkWrapper(session=session)
  
imports: import json
  import requests
  from requests.auth import HTTPBasicAuth
  from tabpy.tabpy_tools.rest import RequestsNetworkWrapper, ServiceClient
  import unittest
  from unittest.mock import Mock
label_desc: Use image node_id 4 for calling the TestRequestsNetworkWrapper obj's underlying member method code with example usage: obj.setUp() without return types