class_docstr: Test pasting into widgets that allow pasting.
  
  On X11, replacing selections requires tk fix.
code: def tearDownClass(cls):
      del cls.text, cls.entry, cls.tentry
      cls.root.clipboard_clear()
      cls.root.update_idletasks()
      cls.root.destroy()
      del cls.root
  
file_path: cpython/Lib/idlelib/idle_test/test_editmenu.py
imports: from test.support import requires
  import tkinter
  from tkinter import ttk
  import unittest
  from idlelib import pyshell
label_desc: Use image node_id 2 for calling the PasteTest obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types