def trigger(self, name, *a, **ka):
        hooks = self.hooks[name]
        if ka.pop('reversed', False): hooks = hooks[::-1]
        return [hook(*a, **ka) for hook in hooks]
Tests that a SaltCloudSystemExit is raised when the disk_id ar is missing.
dataset/ETHPy150Open adampresley/bottlepy-bootstrap/app/bottle.py/HooksPlugin.trigger--crossover with--dataset/ETHPy150Open saltstack/salt/tests/unit/cloud/clouds/opennebula_test.py/OpenNebulaTestCase.test_vm_detach_no_disk_id