code: def testDo(self):
      executor = ai_platform_tuner_executor.Executor()
      executor.Do(
          self._inputs,
          self._outputs,
          self._serialize_custom_config_under_test(),
      )
  
imports: import copy
  import os
  from typing import Any, Dict
  from unittest import mock
  import tensorflow
  from tfx.extensions.google_cloud_ai_platform import constants
  from tfx.extensions.google_cloud_ai_platform.trainer import executor
  from tfx.extensions.google_cloud_ai_platform.tuner import executor
  from tfx.proto import tuner_pb2
  from tfx.types import standard_component_specs
  from tfx.utils import json_utils
  from tfx.utils import name_utils
  from tfx.utils import proto_utils
label_desc: Use image node_id 3 for calling the ExecutorTest obj's underlying member method code with example usage: obj.testDo() without return types