code: def test_save_wav(self, enc_params):
      encoding, bits_per_sample = enc_params
      self.assert_save_consistency(
          "wav",
          encoding=encoding,
          bits_per_sample=bits_per_sample,
          test_mode="path",
      )
  
imports: import io
  import os
  from functools import partial
  import torch
  from parameterized import parameterized
  from torchaudio._backend.utils import get_save_func
  from torchaudio_unittest.common_utils import get_wav_data, load_wav, nested_params, PytorchTestCase, save_wav, skipIfNoExec, skipIfNoSox, skipIfNoSoxEncoder, sox_utils, TempDirMixin, TorchaudioTestCase
  from .common import get_enc_params, name_func
label_desc: Use image node_id 1 for calling the SaveTest obj's underlying member method code with example usage: obj.test_save_wav(enc_params) without return types