public void testNormal() throws Exception{
Object context = getContext();
final ICatalog catalog = CatalogPlugin.getDefault().getLocalCatalog();
List members = catalog.members(new DummyMonitor());
if (!members.isEmpty()) {
//clear the catalog
for (Iterator itr = members.iterator(); itr.hasNext();) {
IService service = (IService)itr.next();
catalog.remove(service);