def METHOD_NAME(self):
    orig_count = len(IOLoop._ioloop_for_asyncio)
    for i in range(10):
        # Create and close an AsyncIOLoop using Tornado interfaces.
        loop = AsyncIOLoop()
        loop.close()
    new_count = len(IOLoop._ioloop_for_asyncio) - orig_count
    self.assertEqual(new_count, 0)