AspectTreeType.VISUALIZATION_TREE);
visualization.setModified(false);
AspectSubTreeNode simulation = new AspectSubTreeNode(
AspectTreeType.WATCH_TREE);
runtime.addChild(entity_A);
entity_A.getAspects().add(aspect_A);
entity_A.setModified(true);
aspect_A.setParent(entity_A);
aspect_A.setModified(true);
aspect_A.addChild(model);