code: def test_generate_long(self):
      ag = self.get_audiogen()
      ag.max_duration = 3.0
      ag.set_generation_params(duration=4.0, extend_stride=2.0)
      wav = ag.generate(["youpi", "lapin dort"])
      assert list(wav.shape) == [2, 1, 16000 * 4]
  
file_path: audiocraft/tests/models/test_audiogen.py
imports: import pytest
  import torch
  from audiocraft.models import AudioGen
label_desc: Use image node_id 5 for calling the TestAudioGenModel obj's underlying member method code with example usage: obj.test_generate_long() without return types