def assertUnauthorizedLogin(self, d):
        self.assertRaises(
            checkers.UnauthorizedLogin, self.assertLoggedIn, d, 'bogus value')
Asserts that the L{Deferred} passed in is erred back with an
dataset/ETHPy150Open twisted/twisted/twisted/conch/test/test_checkers.py/UNIXPasswordDatabaseTests.assertUnauthorizedLogin