### Question:
HelloWorldView extends Composite { @UiHandler("showButton") void handleShowButtonClick(ClickEvent e) { if (bananaCount != 0) { foodMultipleSelect.getSelectedItems() .forEach(item -> Notify.notify(item.toString())); } else { notify("No banana, no food."); } eventBus.fireEvent(new ChangeViewEvent("showButton")); } @Inject  HelloWorldView(Banana banana, EventBus eventBus,
			HelloWorldViewEventHandler helloWorldViewEventHandler); void setBananaCount(int bananaCount);  }### Answer:
@Test public void handleShowButtonClickWithBananaCountGreaterThanZero() throws Exception { view.handleShowButtonClick(null); verify(foodMultipleSelect, times(1)).getSelectedItems(); }