code: def test_validate_examples_in_tfrecord_no_schema(self):
      temp_dir_path = self.create_tempdir().full_path
      input_data_path = os.path.join(
          temp_dir_path, "input_data.tfrecord"
      )
      # By default, StatsOptions does not include a schema.
      options = stats_options.StatsOptions()
      with self.assertRaisesRegexp(
          ValueError,
          "The specified stats_options must include a schema.",
      ):
          validation_lib.validate_examples_in_tfrecord(
              data_location=input_data_path, stats_options=options
          )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  from absl.testing import absltest
  from absl.testing import parameterized
  import pandas
  import tensorflow
  from tensorflow_data_validation.statistics import stats_options
  from tensorflow_data_validation.utils import test_util
  from tensorflow_data_validation.utils import validation_lib
  from google.protobuf import text_format
  from tensorflow_metadata.proto.v0 import schema_pb2
  from tensorflow_metadata.proto.v0 import statistics_pb2
label_desc: Use image node_id 2 for calling the ValidationLibTest obj's underlying member method code with example usage: obj.test_validate_examples_in_tfrecord_no_schema() without return types