def test_UIDGID(self):
        self._testUIDGIDSwitch(1, 1, 0, 0, [0, 1], [0, 1])
        self._testUIDGIDSwitch(1, 1, 0, 1, [0, 1], [])
        self._testUIDGIDSwitch(1, 1, 1, 0, [0, 1, 0, 1], [0, 1])
        self._testUIDGIDSwitch(1, 1, 1, 1, [], [])
        self._testUIDGIDSwitch(1, 1, 2, 1, [0, 2, 0, 1], [])
        self._testUIDGIDSwitch(1, 1, 1, 2, [0, 1, 0, 1], [2, 1])
        self._testUIDGIDSwitch(1, 1, 2, 2, [0, 2, 0, 1], [2, 1])
Check UID/GID switches when current effective UID/GID is non-root.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/test/test_util.py/RunAsEffectiveUserTests.test_UIDGID