def test_group_authenticated(self):
        self.backend.group_permissions.return_value = {
            'authenticated': ['read', 'write'],
        }
        acl = self.backend.get_acl('mypkg')
        self.assert_allowed(acl, 'read', [Authenticated])
        self.assert_allowed(acl, 'write', [Authenticated])
Special 'authenticated' group sets perms for logged-in users
dataset/ETHPy150Open mathcamp/pypicloud/tests/test_access_backends.py/TestBaseBackend.test_group_authenticated