code: def test_asyncio_run():
      AsyncioRunApp.launch_instance([])
      AsyncioRunApp.clear_instance()
  
imports: from __future__ import annotations
  import asyncio
  import os
  import shutil
  from tempfile import mkdtemp
  from unittest.mock import patch
  import pytest
  from traitlets import Integer
  from jupyter_core.application import JupyterApp, JupyterAsyncApp, NoStart
  from jupyter_core.utils import ensure_event_loop
label_desc: Use image node_id 10 for calling a global function with example usage: test_asyncio_run() without return types