code: def run_loop_briefly(self, *, delay=0.01):
      self.loop.run_until_complete(asyncio.sleep(delay))
  
imports: import asyncio
  import asyncio.events
  import contextlib
  import os
  import pprint
  import select
  import socket
  import tempfile
  import threading
  from test import support
label_desc: Use image node_id 2 for calling the FunctionalTestCaseMixin obj's underlying member method code with example usage: obj.run_loop_briefly() without return types