code: def test_class_info(self):
      self.assertEqual(self.Mine.get_methods(), ("a_method",))
  
imports: import symtable
  import unittest
  from test import support
  from test.support import os_helper
label_desc: Use image node_id 20 for calling the SymtableTest obj's underlying member method code with example usage: obj.test_class_info() without return types