RunnerWidget implements RunnerItems<Runner> { @Override public void unSelect() { itemWidget.unSelect(); } @Inject  RunnerWidget(ItemWidget itemWidget,
                        RunnerResources resources,
                        PartStackUIResources buttonIcons,
                        final SelectionManager selectionManager); @Override void select(); @Override void unSelect(); @Override void update(@NotNull Runner runner); @Override Widget asWidget(); void setDelegate(@NotNull ActionDelegate delegate);  }
@Test public void shouldUnSelect() { runnerWidget.unSelect(); verify(itemWidget).unSelect(); }