def test_update_max_persons_id(self):
     new_max = 10
     MaxPopItIds.update_max_persons_id(new_max)
     self.assertEqual(MaxPopItIds.get_max_persons_id(), 10)
 def test_get_max_persons_id(self):
     self.assertEqual(MaxPopItIds.get_max_persons_id(), 0)