code: def test_set_file_format_override(self):
      info = dataset_info.DatasetInfo(builder=self._builder)
      info.set_file_format(file_adapters.FileFormat.TFRECORD)
      self.assertEqual(
          info.file_format, file_adapters.FileFormat.TFRECORD
      )
      info.set_file_format(
          file_adapters.FileFormat.RIEGELI, override=True
      )
      self.assertEqual(
          info.file_format, file_adapters.FileFormat.RIEGELI
      )
  
imports: import json
  import os
  import pathlib
  import tempfile
  import time
  from typing import Union
  import numpy
  import pytest
  import tensorflow
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import dataset_builder
  from tensorflow_datasets.core import dataset_info
  from tensorflow_datasets.core import features
  from tensorflow_datasets.core import file_adapters
  from tensorflow_datasets.core import naming
  from tensorflow_datasets.core import read_only_builder
  from tensorflow_datasets.core import splits
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.core.proto import dataset_info_pb2
  from tensorflow_datasets.core.proto import feature_pb2
  from tensorflow_datasets.image_classification import mnist
  from tensorflow_datasets.testing.dummy_config_based_datasets.dummy_ds_1 import dummy_ds_1_dataset_builder
  from google.protobuf import text_format
label_desc: Use image node_id 19 for calling the DatasetInfoTest obj's underlying member method code with example usage: obj.test_set_file_format_override() without return types