code: def setUp(self):
      self.client = Client("http://example.com/")
      self.client._service = Mock()
  
file_path: TabPy/tests/unit/tools_tests/test_client.py
imports: import unittest
  from unittest.mock import Mock
  from tabpy.tabpy_tools.client import Client
  from tabpy.tabpy_tools.client import _check_endpoint_name
label_desc: Use image node_id 1 for calling the TestClient obj's underlying member method code with example usage: obj.setUp() without return types