void () { Collection<String> errors = new TreeSet<>(); List<TipAndTrickBean> tips = TipAndTrickBean.EP_NAME.getExtensionList(); assertNotEmpty(tips); for (TipAndTrickBean tip : tips) { URL url = tip.getPluginDescriptor().getClassLoader().getResource("tips/" + tip.fileName); if (url == null) { errors.add(tip.fileName); } } assertEquals(tips.size() + " tips are checked, the following files are missing:\n" + String.join("\n", errors), 0, errors.size()); }