code: def test_main():
      with pytest.raises(SystemExit):
          main()
  
file_path: espnet/test/espnet2/bin/test_diar_inference.py
imports: from argparse import ArgumentParser
  from pathlib import Path
  import pytest
  import torch
  from espnet2.bin.diar_inference import DiarizeSpeech, get_parser, main
  from espnet2.tasks.diar import DiarizationTask
  from espnet2.tasks.enh_s2t import EnhS2TTask
label_desc: Use image node_id 2 for calling a global function with example usage: test_main() without return types