docstr: Loading audio via file-like object works
code: def _test_fileobj(self, ext):
      """Loading audio via file-like object works"""
      sample_rate = 16000
      path = self.get_temp_path(f"test.{ext}")
  
      data = get_wav_data("float32", num_channels=2).numpy().T
      soundfile.write(path, data, sample_rate)
      expected = soundfile.read(path, dtype="float32")[0].T
  
      with open(path, "rb") as fileobj:
          found, sr = soundfile_backend.load(fileobj)
      assert sr == sample_rate
      self.assertEqual(expected, found)
  
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 1 for calling the TestFileObject obj's underlying member method code with example usage: obj._test_fileobj(ext) without return types