### Question:
DecisionNavigatorTreePresenter { public void deselectItem() { view.deselect(); } @Inject  DecisionNavigatorTreePresenter(final View view); View getView(); void setupItems(final List<DecisionNavigatorItem> items); void removeAllItems(); DecisionNavigatorItem getActiveParent(); void setActiveParentUUID(final String activeParentUUID); void selectItem(final String uuid); void deselectItem();  }### Answer:
@Test public void testDeselectItem() { presenter.deselectItem(); verify(view).deselect(); }