code: def onQueryIdle(self, event):
      pass
  
imports: import unittest
  import time
  import pyspark.cloudpickle
  from pyspark.errors import PySparkPicklingError
  from pyspark.sql.tests.streaming.test_streaming_listener import StreamingListenerTestsMixin
  from pyspark.sql.streaming.listener import StreamingQueryListener
  from pyspark.sql.functions import count, lit
  from pyspark.testing.connectutils import ReusedConnectTestCase
label_desc: Use image node_id 3 for calling the TestListenerV2 obj's underlying member method code with example usage: obj.onQueryIdle(event) without return types