code: def setUp(self):
      self.percolator = Percolator(self.text)
      self.filter_one = MyFilter()
      self.filter_two = MyFilter()
      self.percolator.insertfilter(self.filter_one)
      self.percolator.insertfilter(self.filter_two)
  
imports: from idlelib.percolator import Percolator, Delegator
  import unittest
  from test.support import requires
  from tkinter import Text, Tk, END
label_desc: Use image node_id 3 for calling the PercolatorTest obj's underlying member method code with example usage: obj.setUp() without return types