### Question:
TopBar extends JPanel { protected void fireStartTask() { fireEvent(new Event() { @Override public void fire(final Listener listener) { listener.startTask(); } }); } TopBar(final UIEventsExecutor executor, final TopBarModel model, final ErrorLogScreen errorLogScreen, NewAndNoteworthyMenu newAndNoteworthyMenu); void addListener(final Listener listener); void clickOnCreateTask(); void clickOnRemoveTask(); void clickOnEditTask();  }### Answer:
@Test public void testFireStartTask() { menuOperator.pushStartTaskmenu(); Assert.assertThat(exexex.happened, notNullValue()); }