code: def succeed(self):
      custom_driver_spec = (
          executable_spec_pb2.PythonClassExecutableSpec()
      )
      custom_driver_spec.class_path = "tfx.orchestration.portable.python_driver_operator._FakeNoopDriver"
      driver_operator = python_driver_operator.PythonDriverOperator(
          custom_driver_spec, None, None, None
      )
      driver_output = driver_operator.run_driver(None, None, None)
      self.assertEqual(driver_output, _DEFAULT_DRIVER_OUTPUT)
  
file_path: tfx/tfx/orchestration/portable/python_driver_operator_test.py
imports: from typing import Any, Dict, List
  import tensorflow
  from tfx import types
  from tfx.orchestration.portable import base_driver
  from tfx.orchestration.portable import python_driver_operator
  from tfx.proto.orchestration import driver_output_pb2
  from tfx.proto.orchestration import executable_spec_pb2
label_desc: Use image node_id 1 for calling the PythonDriverOperatorTest obj's underlying member method code with example usage: obj.succeed() without return types