private int countElements = 0;
@Test
public void testEventsPerformance() {
IndexedAttributeModel attModel = new IndexedAttributeModel();
attModel.addAttributeListener(new AttributeListener() {
public void attributesChanged(AttributeEvent event) {
if(event.is(AttributeEvent.EventType.SET_VALUE)) {
countEvents++;
countElements+=event.getData().getTouchedValues().length;