Changelog:
==========
gh-102978: Fixes :func:'unittest.mock.patch' not enforcing function signatures for methods decorated with @classmethod or @staticmethod when patch is called with autospec=True.
gh-103329: Regression tests for the behaviour of unittest.mock.PropertyMock were added.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
