*/
public void testRegistration() {
ColumnApp columnApp = new ColumnApp();
ApplicationInstance.setActive(columnApp);
Window window = columnApp.doInit();
assertTrue(window.isRegistered());
assertTrue(columnApp.getColumn().isRegistered());
Label label = new Label();
assertFalse(label.isRegistered());
columnApp.getColumn().add(label);
assertTrue(label.isRegistered());