class_docstr: Fake server for Cloud BigQuery Storage API.
class_docstr_tok: ["Fake","server","for","Cloud","BigQuery","Storage","API","."]
code: def stop(self):
      self._grpc_server.stop(0)
  
imports: import concurrent.futures
  from io import BytesIO
  import json
  import fastavro
  import pytest
  import sys
  import numpy
  import grpc
  import tensorflow
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow import test
  from tensorflow_io.bigquery import BigQueryTestClient, BigQueryClient
  import google.cloud.bigquery_storage_v1beta1.proto.storage_pb2_grpc
  import google.cloud.bigquery_storage_v1beta1.proto.storage_pb2
label_desc: Use image node_id 3 for calling the FakeBigQueryServer obj's underlying member method code with example usage: obj.stop() without return types