code: def testDoBlessed(self):
      self.mock_check_blessing.return_value = True
      self._executor.Do(
          self._input_dict,
          self._output_dict,
          self._serialize_custom_config_under_test(),
      )
      self.mock_bq.assert_called_once()
      self.assertPushed()
  
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 7 for calling the ExecutorTest obj's underlying member method code with example usage: obj.testDoBlessed() without return types