@Widgetset(TestingWidgetSet.NAME)
public class UseStateFromHierachy extends AbstractTestUI {
@Override
protected void setup(VaadinRequest request) {
final UseStateFromHierachyComponent component = new UseStateFromHierachyComponent();
component.setContent(new Label("Content child"));
addComponent(component);
addComponent(new Button("Remove component", new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {