code: def assertDirectoryNotEmpty(self, path):
      self.assertGreater(len(fileio.listdir(path)), 0)
  
imports: import copy
  import os
  from typing import Any, Dict
  from unittest import mock
  import tensorflow
  from tfx.dsl.io import fileio
  from tfx.extensions.google_cloud_ai_platform import constants
  from tfx.extensions.google_cloud_ai_platform.pusher import executor
  from tfx.types import standard_artifacts
  from tfx.types import standard_component_specs
  from tfx.utils import json_utils
  from tfx.utils import name_utils
  from tfx.utils import telemetry_utils
label_desc: Use image node_id 5 for calling the ExecutorTest obj's underlying member method code with example usage: obj.assertDirectoryNotEmpty(path) without return types