code: def test_asyncio_run_closes_gens_after_hanging_tasks_errors(self):
      spinner = None
      lazyboy = None
  
      class FancyExit(Exception):
          pass
  
      async def fidget():
          while True:
              yield 1
              await asyncio.sleep(1)
  
      async def spin():
          nonlocal spinner
          spinner = fidget()
          try:
              async for the_meaning_of_life in spinner:  # NoQA
                  pass
          except asyncio.CancelledError:
              1 / 0
  
      async def main():
          loop = asyncio.get_running_loop()
          loop.call_exception_handler = mock.Mock()
  
          nonlocal lazyboy
          lazyboy = asyncio.create_task(spin())
          raise FancyExit
  
      with self.assertRaises(FancyExit):
          asyncio.run(main())
  
      self.assertTrue(lazyboy.done())
  
      self.assertIsNone(spinner.ag_frame)
      self.assertFalse(spinner.ag_running)
  
imports: import _thread
  import asyncio
  import contextvars
  import re
  import signal
  import sys
  import threading
  import unittest
  from test.test_asyncio import utils
  from unittest import mock
  from unittest.mock import patch
label_desc: Use image node_id 8 for calling the RunTests obj's underlying member method code with example usage: obj.test_asyncio_run_closes_gens_after_hanging_tasks_errors() without return types