GroupContextMenuItemPresenter implements BaseMenuItemPresenter,
                                                      HasChildren,
                                                      CanBeDisabled { @Override public void disable() { view.disable(); } @Inject  GroupContextMenuItemPresenter(final View view); @PostConstruct void init(); void setup(final String label); @Override void addChild(final IsElement item); @Override View getView(); @Override void enable(); @Override void disable(); void pullRight();  }
@Test public void disableTest() { presenter.disable(); verify(view).disable(); }