mock.restoreAll()
此函数恢复此 MockTracker 之前创建的所有模拟的默认行为。与 mock.reset() 不同,mock.restoreAll() 不会取消模拟与 MockTracker 实例的关联。
¥This function restores the default behavior of all mocks that were previously
created by this MockTracker. Unlike mock.reset(), mock.restoreAll() does
not disassociate the mocks from the MockTracker instance.