code: def testPipelineRoot(self):
      self._model_push.uri = "/none_gcs_pipeline_root"
      with self.assertRaises(ValueError):
          self._executor.Do(
              self._input_dict,
              self._output_dict,
              self._serialize_custom_config_under_test(),
          )
  
imports: import copy
  import os
  from typing import Any, Dict
  from unittest import mock
  from google.cloud import bigquery
  import tensorflow
  from tfx.dsl.io import fileio
  from tfx.extensions.google_cloud_big_query.pusher import executor
  from tfx.types import standard_artifacts
  from tfx.utils import io_utils
  from tfx.utils import json_utils
label_desc: Use image node_id 5 for calling the ExecutorTest obj's underlying member method code with example usage: obj.testPipelineRoot() without return types