code: def test_isinstance(self):
      self.assertIs(isinstance(True, bool), True)
      self.assertIs(isinstance(False, bool), True)
      self.assertIs(isinstance(True, int), True)
      self.assertIs(isinstance(False, int), True)
      self.assertIs(isinstance(1, bool), False)
      self.assertIs(isinstance(0, bool), False)
  
imports: import unittest
  from test.support import os_helper
  import os
label_desc: Use image node_id 13 for calling the BoolTest obj's underlying member method code with example usage: obj.test_isinstance() without return types