class_docstr: Given `format` parameter, `so.load` can load files without extension
class_docstr_tok: ["Given","`","format","`","parameter",",","`","so.load","`","can","load","files","without","extension"]
docstr: Providing format allows to read file without extension
code: def _test_format(self, format_):
      """Providing format allows to read file without extension"""
      path, expected = self._make_file(format_)
      found, _ = soundfile_backend.load(path)
      self.assertEqual(found, expected)
  
imports: import os
  import tarfile
  from unittest.mock import patch
  import torch
  from parameterized import parameterized
  from torchaudio._internal import module_utils
  from torchaudio.backend import soundfile_backend
  from torchaudio_unittest.common_utils import get_wav_data, load_wav, normalize_wav, PytorchTestCase, save_wav, skipIfNoModule, TempDirMixin
  from .common import dtype2subtype, parameterize, skipIfFormatNotSupported
label_desc: Use image node_id 2 for calling the TestLoadFormat obj's underlying member method code with example usage: obj._test_format(format_) without return types