docstr: `soundfile_backend.save` can save ogg/vorbis format.
docstr_tok: ["`","soundfile_backend.save","`","can","save","ogg\/vorbis","format","."]
code: def test_ogg(self, sample_rate, num_channels):
      """`soundfile_backend.save` can save ogg/vorbis format."""
      self.assert_ogg("float32", sample_rate, num_channels)
  
imports: import io
  from unittest.mock import patch
  from torchaudio._internal import module_utils
  from torchaudio.backend import soundfile_backend
  from torchaudio_unittest.common_utils import get_wav_data, load_wav, nested_params, PytorchTestCase, skipIfNoModule, TempDirMixin
  from .common import fetch_wav_subtype, parameterize, skipIfFormatNotSupported
label_desc: Use image node_id 5 for calling the TestSave obj's underlying member method code with example usage: obj.test_ogg(sample_rate, num_channels) without return types