code: def test_training_path(self):
      root_dir = Path(self.root_dir)
      train_dataset = gtzan.GTZAN(root_dir, subset="training")
      self._test_training(train_dataset)
  
file_path: audio/test/torchaudio_unittest/datasets/gtzan_test.py
imports: import os
  from pathlib import Path
  from torchaudio.datasets import gtzan
  from torchaudio_unittest.common_utils import get_whitenoise, normalize_wav, save_wav, TempDirMixin, TorchaudioTestCase
label_desc: Use image node_id 9 for calling the TestGTZAN obj's underlying member method code with example usage: obj.test_training_path() without return types