code: def test_unittest_mock_and_fixture(self, pytester: Pytester) -> None:
      pytester.makepyfile(
          """
              import os.path
              import unittest.mock
              import pytest
  
              @pytest.fixture
              def inject_me():
                  pass
  
              @unittest.mock.patch.object(os.path, "abspath",
                                          new=unittest.mock.MagicMock)
              def test_hello(inject_me):
                  import os
                  os.path.abspath("hello")
          """
      )
      reprec = pytester.inline_run()
      reprec.assertoutcome(passed=1)
  
imports: import pytest
  from _pytest._code import getfslineno
  from _pytest.fixtures import getfixturemarker
  from _pytest.pytester import Pytester
  from _pytest.python import Function
label_desc: Use image node_id 4 for calling the TestMockDecoration obj's underlying member method code with example usage: obj.test_unittest_mock_and_fixture(pytester) without return types