code: def tearDown(self):
      self.text.delete("1.0", "end")
      self.redir.close()
  
imports: from idlelib.redirector import WidgetRedirector
  import unittest
  from test.support import requires
  from tkinter import Tk, Text, TclError
  from idlelib.idle_test.mock_idle import Func
label_desc: Use image node_id 4 for calling the WidgetRedirectorTest obj's underlying member method code with example usage: obj.tearDown() without return types