String deploymentName = "test-deployment";
Deployment deployment = createSimpleDeployment(deploymentName);
MutableAttachments attachments = (MutableAttachments) deployment.getPredeterminedManagedObjects();
// Jaikiran's deleted comment ;-)
attachments.addAttachment(String.class.getName(), "IHaveNoClueWhyTheSetInputAPIWorksTheWayItDoes");
// add the attachment so that this unit will be picked up by the visitor
attachments.addAttachment(attachmentName, "Test123");
log.debug("Deploying " + deployment);