        check('真实执行Notebook', mechanism.get('notebookExecuted') is True)
        check('改环境后旧对象地址不变', mechanism.get('oldAddressAfterEnvChange', '').rstrip('/') == BASE)
        check('新对象显式使用正确地址', mechanism.get('newAddress', '').rstrip('/') == BASE)
        check('Notebook返回目标标签', output.get('label') == 'notebook-ready')
