docstr: Results from single process and batched process should be reasonably close
docstr_tok: ["Results","from","single","process","and","batched","process","should","be","reasonably","close"]
code: def test_pretrain_batch_consistency(self, factory_func):
      """Results from single process and batched process should be reasonably close"""
      self._test_batch_consistency(factory_func())
  
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 TestWavLMModel obj's underlying member method code with example usage: obj.test_pretrain_batch_consistency(factory_func) without return types