def test_execs(self):
        mock = MagicMock(return_value=['a', 'b'])
        with patch.object(systemd, 'get_all', mock):
            mock = MagicMock(return_value={'ExecStart': {'path': 'c'}})
            with patch.object(systemd, 'show', mock):
                self.assertDictEqual(systemd.execs(), {'a': 'c', 'b': 'c'})
Test to return a list of all files specified as ``ExecStart`` for all
dataset/ETHPy150Open saltstack/salt/tests/unit/modules/systemd_test.py/SystemdTestCase.test_execs