code: def _assert_field_tags(self, expected_fields, actual_fields):
      self.assertLen(actual_fields, len(expected_fields))
      for expected, actual in zip(expected_fields, actual_fields):
          self.assertProtoEquals(expected, actual)
  
imports: import itertools
  from google.protobuf import message
  from google.protobuf import text_format
  from tensorflow.core.framework import function_pb2
  from tensorflow.core.framework import graph_pb2
  from tensorflow.python.platform import test
  from tensorflow.tools.proto_splitter import chunk_pb2
  from tensorflow.tools.proto_splitter import constants
  from tensorflow.tools.proto_splitter import split_graph_def
  from tensorflow.tools.proto_splitter import util
  from tensorflow.tools.proto_splitter.python import test_util
label_desc: Use image node_id 4 for calling the GraphDefSplitterTest obj's underlying member method code with example usage: obj._assert_field_tags(expected_fields, actual_fields) without return types