def test_check_cannot_create_old_version_false(self): """ Method check_cannot_create_old_version must return true if old properties set """ post = Post() post.old_date = 'set' post.old_name = 'set' post.old_text = 'set' post.old_author = 'set' self.assertFalse(post._check_cannot_create_old_version(), 'Method check_cannot_create_old_version must return false')