code: def test_no_docstring(self):
      for meth, mtip in ((TC.nd, "(self)"), (tc.nd, "()")):
          with self.subTest(meth=meth, mtip=mtip):
              self.assertEqual(get_spec(meth), mtip)
  
imports: from idlelib import calltip
  import unittest
  from unittest.mock import Mock
  import textwrap
  import types
  import re
  from idlelib.idle_test.mock_tk import Text
  from test.support import MISSING_C_DOCSTRINGS
label_desc: Use image node_id 13 for calling the Get_argspecTest obj's underlying member method code with example usage: obj.test_no_docstring() without return types