### Question:
AbstractComboBoxFieldRenderer extends SelectorFieldRenderer<T, StringSelectorOption, String> { @Override protected void refreshInput(Map<String, String> optionsValues, String defaultValue) { setComboBoxValues(optionsValues); } @Inject  AbstractComboBoxFieldRenderer(final ComboBoxWidgetView comboBoxEditor, final ClientTranslationService translationService);   }### Answer:
@Test public void testRefreshInput() { comboBoxFieldRenderer.refreshInput(options, null); verify(comboBoxWidgetView, times(1)).setComboBoxValues(any(ListBoxValues.class)); }