def test_list_services(self):
        with patch.object(firewalld, '__firewall_cmd', return_value=''):
            self.assertEqual(firewalld.list_services(), [])
Test for List services added for zone as a space separated list.
dataset/ETHPy150Open saltstack/salt/tests/unit/modules/firewalld_test.py/FirewalldTestCase.test_list_services