code: def tearDownClass(cls):
      del cls.text, cls.editwin
      cls.root.update_idletasks()
      cls.root.destroy()
      del cls.root
  
file_path: cpython/Lib/idlelib/idle_test/test_parenmatch.py
imports: from idlelib.parenmatch import ParenMatch
  from test.support import requires
  import unittest
  from unittest.mock import Mock
  from tkinter import Tk, Text
label_desc: Use image node_id 2 for calling the ParenMatchTest obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types