public void testNotifyDependentSourceChange_NotifiesNoListeners() {
DefDescriptor<?> source = DefDescriptorImpl.getInstance(
getAuraTestingUtil().getNonce("some:descriptor"),
ComponentDef.class);
SourceMonitorEvent event = SourceMonitorEvent.CHANGED;
String filePath = "someFilePath";
Collection<WeakReference<SourceListener>> listeners = Sets.newHashSet();
CachingServiceImpl service = new CachingServiceImpl();
service.notifyDependentSourceChange(listeners, source, event, filePath);