String message = "lists should be set appropriately";
TabGroup sut = new TabGroup();
ArrayList<Tab> tabs = new ArrayList<Tab>();
tabs.add(new Tab("name", Layout.ONECOLUMN));
HashMap<String, Serializable> map = new HashMap<String, Serializable>();
map.put("tabs", tabs);
ReflectiveUpdater reflector = new ReflectiveUpdater();
reflector.setProperties(sut, map);