code: def testBuildRequests_TFServing(self):
      builder_cls = self._PrepareTFServingRequestBuilder()
      builder = builder_cls.return_value
  
      request_builder.build_requests(
          model_name="foo",
          model=self._model,
          examples=self._examples,
          request_spec=_make_request_spec(
              {
                  "tensorflow_serving": {
                      "signature_names": ["serving_default"]
                  },
                  "split_name": "eval",
                  "num_examples": 1,
              }
          ),
      )
  
      builder_cls.assert_called_with(
          model_name="foo", signatures={"serving_default": mock.ANY}
      )
      builder.ReadExamplesArtifact.assert_called_with(
          self._examples, split_name="eval", num_examples=1
      )
      builder.BuildRequests.assert_called()
  
imports: import os
  from typing import Any, Dict
  from unittest import mock
  import tensorflow
  from tfx.components.infra_validator import request_builder
  from tfx.proto import infra_validator_pb2
  from tfx.types import artifact_utils
  from tfx.types import standard_artifacts
  from tfx.utils import path_utils
  from google.protobuf import json_format
  from tensorflow.core.protobuf import meta_graph_pb2
  from tensorflow.core.protobuf import saved_model_pb2
  from tensorflow_serving.apis import classification_pb2
  from tensorflow_serving.apis import predict_pb2
  from tensorflow_serving.apis import regression_pb2
label_desc: Use image node_id 3 for calling the TestBuildRequests obj's underlying member method code with example usage: obj.testBuildRequests_TFServing() without return types