docstr: `extract_features` method does not fail
docstr_tok: ["`","extract_features","`","method","does","not","fail"]
code: def test_extract_feature(self, factory_func):
      """`extract_features` method does not fail"""
      self._feature_extractor_test(factory_func(aux_num_out=32))
  
imports: import math
  import os
  from typing import Tuple
  import torch
  import torch.nn.functional
  from parameterized import parameterized
  from torchaudio.models.wav2vec2 import hubert_base, hubert_large, hubert_pretrain_base, hubert_pretrain_large, hubert_pretrain_xlarge, hubert_xlarge, wav2vec2_base, wav2vec2_large, wav2vec2_large_lv60k, wavlm_base, wavlm_large
  from torchaudio_unittest.common_utils import skipIfNoCuda, skipIfNoQengine, torch_script, TorchaudioTestCase
label_desc: Use image node_id 5 for calling the TestWav2Vec2Model obj's underlying member method code with example usage: obj.test_extract_feature(factory_func) without return types