### Question:
IconUtils { public static List<Image> createWindowIcons() { List<Image> icons = new ArrayList<>(); for (String icon : applicationIcons) { try (InputStream in = IconUtils.class.getResourceAsStream(icon)) { if (in != null) { icons.add(new Image(in)); } } catch (IOException e) { logger.warn("Could not open icon resource for icon '{}'.", icon, e); } } return icons; } private  IconUtils(); static List<Image> createWindowIcons(); static Node createErrorIcon(); static void initFontAwesomeOffline(); static GlyphFont getFontAwesome();  }### Answer:
@Test public void testCreateWindowIcons() { List<Image> icons = IconUtils.createWindowIcons(); assertFalse(icons.isEmpty()); }