code: def test_init(self):
      self.assertEqual(self.text.get("1.0"), "\n")
      self.assertEqual(self.text.get("end"), "")
  
imports: import unittest
  from test.test_support import requires
  from _tkinter import TclError
label_desc: Use image node_id 2 for calling the TextTest obj's underlying member method code with example usage: obj.test_init() without return types