def test_vn_delete_function_error(self):
        self.assertRaises(SaltCloudSystemExit,
                          opennebula.vn_delete,
                          call='foo')
What happens if an error is raised in a DelayedCall and an error is
dataset/ETHPy150Open saltstack/salt/tests/unit/cloud/clouds/opennebula_test.py/OpenNebulaTestCase.test_vn_delete_function_error--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/trial/test/erroneous.py/DelayedCall.testHiddenException