### Question:
DataTypeListShortcuts { void onArrowRight() { getCurrentDataTypeListItem().ifPresent(DataTypeListItem::expand); } @Inject  DataTypeListShortcuts(final View view,
                                 final DataTypeUtils dataTypeUtils); @PostConstruct void init(); void init(final DataTypeList dataTypeList); void reset();  }### Answer:
@Test public void testOnArrowRight() { shortcuts.onArrowRight(); verify(listItem).expand(); }