code: def setUpClass(cls):
      cls.realpath = os.path.realpath(__file__)
      cls.path = os.path.dirname(cls.realpath)
  
imports: from idlelib import grep
  import unittest
  from test.support import captured_stdout
  from idlelib.idle_test.mock_tk import Var
  import os
  import re
label_desc: Use image node_id 1 for calling the FindfilesTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types