code: def setUp(self):
      super().setUp()
  
      policy = TestPolicy(self.new_loop)
      asyncio.set_event_loop_policy(policy)
  
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 2 for calling the BaseTest obj's underlying member method code with example usage: obj.setUp() without return types