### Question:
ZoomLevelSelectorItem implements IsElement { @EventHandler("levelItemAnchor") void onLevelItemClick(ClickEvent event) { onClick.execute(); }  ZoomLevelSelectorItem setText(final String value); ZoomLevelSelectorItem setOnClick(final Command onClick); void select(); void reset(); @PreDestroy void destroy();  }### Answer:
@Test public void testOnLevelItemClick() { tested.onLevelItemClick(mock(ClickEvent.class)); verify(onClick, times(1)).execute(); }