code: def tearDown(self):
      self.text.delete("1.0", "end")
      self.redir.close()
  
imports: from test.test_support import requires
  import unittest
  from idlelib.idle_test.mock_idle import Func
  from Tkinter import Tk, Text, TclError
  from idlelib.WidgetRedirector import WidgetRedirector
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