When creating a mock object, what is typically expected regarding the behavior of the methods?

When creating a mock object in unit testing, you typically expect its methods to behave in a simplified or controlled manner. Mock objects are used to simulate the behavior of real objects for testing purposes, so their methods should provide predictable responses that help you test specific scenarios. Options (1) and (4) are not typical expectations for mock methods. Option (2) would render the mock object useless for testing.