naviTree.addContainerProperty(CAPTION, String.class, "");
naviTree.setItemCaptionPropertyId(CAPTION);
for (Class<? extends AbstractComponentTest> cls : tests.keySet()) {
addTreeItem(cls);
}
hc.sort(new Object[] { CAPTION }, new boolean[] { true });
naviTree.setSelectable(false);
for (Object o : naviTree.rootItemIds()) {
expandAndSetChildrenAllowed(o);
}