PricePresenter extends PresenterWidget<PricePresenter.MyView> implements PriceUiHandlers, BrandChangedEventHandler { @Override protected void onBind() { addVisibleHandler(BrandChangedEvent.TYPE, this); getView().setProduct(product); } @Inject  PricePresenter(
            EventBus eventBus,
            MyView view,
            CurrentBrand currentBrand,
            @Assisted ProductDto product); @Override void onBrandChanged(BrandChangedEvent event);  }
@Test public void onBind_setsProductInformationIntoView() { presenter.onBind(); verify(view).setProduct(product); }