OperationDescriptor parent = getParentDescriptor(descriptor.getParentId());
        Destination destination = Destination.fromCode(event.getResult().getDestination());
        String message = event.getResult().getMessage();
        return new DefaultTestOutputOperationDescriptor(descriptor, parent, destination, message);
    }

        where:
        [fromRole, targetRole] << ModelActionRole.values().collectMany { fromRole ->
            return ModelActionRole.values().findAll { it.ordinal() < fromRole.ordinal() && it.subjectViewAvailable }.collect { targetRole ->
                [ fromRole, targetRole ]
            }
        }
    }