code: def test_librilightlimited_1h(self):
      dataset = librilight_limited.LibriLightLimited(
          self.root_dir, subset="1h"
      )
      self._test_librilightlimited(dataset, self.samples_1h)
  
file_path: audio/test/torchaudio_unittest/datasets/librilightlimited_test.py
imports: import os
  from torchaudio.datasets import librilight_limited
  from torchaudio_unittest.common_utils import get_whitenoise, save_wav, TempDirMixin, TorchaudioTestCase
label_desc: Use image node_id 4 for calling the TestLibriLightLimited obj's underlying member method code with example usage: obj.test_librilightlimited_1h() without return types