code: def test_get_anomalies_dataframe_no_anomalies(self):
      anomalies = anomalies_pb2.Anomalies()
      actual_output = display_util.get_anomalies_dataframe(anomalies)
      self.assertEqual(actual_output.shape, (0, 2))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from typing import Any, Dict
  from absl.testing import absltest
  from absl.testing import parameterized
  from google.protobuf import text_format
  import pandas
  from tensorflow_data_validation import constants
  from tensorflow_data_validation import types
  from tensorflow_data_validation.skew.protos import feature_skew_results_pb2
  from tensorflow_data_validation.utils import display_util
  from tensorflow_data_validation.utils import test_util
  from tensorflow_metadata.proto.v0 import anomalies_pb2
  from tensorflow_metadata.proto.v0 import schema_pb2
  from tensorflow_metadata.proto.v0 import statistics_pb2
label_desc: Use image node_id 11 for calling the DisplayUtilTest obj's underlying member method code with example usage: obj.test_get_anomalies_dataframe_no_anomalies() without return types