code: def test_parametrized_wavernn_dataset():
      """test dataloader with different parameters"""
      params = [
          [
              16,
              C.audio["hop_length"] * 10,
              C.audio["hop_length"],
              2,
              10,
              True,
              0,
          ],
          [
              16,
              C.audio["hop_length"] * 10,
              C.audio["hop_length"],
              2,
              "mold",
              False,
              4,
          ],
          [
              1,
              C.audio["hop_length"] * 10,
              C.audio["hop_length"],
              2,
              9,
              False,
              0,
          ],
          [
              1,
              C.audio["hop_length"],
              C.audio["hop_length"],
              2,
              10,
              True,
              0,
          ],
          [
              1,
              C.audio["hop_length"],
              C.audio["hop_length"],
              2,
              "mold",
              False,
              0,
          ],
          [
              1,
              C.audio["hop_length"] * 5,
              C.audio["hop_length"],
              4,
              10,
              False,
              2,
          ],
          [
              1,
              C.audio["hop_length"] * 5,
              C.audio["hop_length"],
              2,
              "mold",
              False,
              0,
          ],
      ]
      for param in params:
          print(param)
          wavernn_dataset_case(*param)
  
file_path: TTS/tests/vocoder_tests/test_vocoder_wavernn_datasets.py
imports: import os
  import shutil
  import numpy
  from torch.utils.data import DataLoader
  from tests import get_tests_output_path, get_tests_path
  from TTS.utils.audio import AudioProcessor
  from TTS.vocoder.configs import WavernnConfig
  from TTS.vocoder.datasets.preprocess import load_wav_feat_data, preprocess_wav_files
  from TTS.vocoder.datasets.wavernn_dataset import WaveRNNDataset
label_desc: Use image node_id 2 for calling a global function with example usage: test_parametrized_wavernn_dataset() without return types