anchor.diff:   */
   import "dart:html";
   import "../../testcommon.dart";
  -import "../../../Utils/async_utils.dart";
   import "pwd.dart";
   
   main() {
  
positive.code: 
    finish() {
      shouldBeList(firedEvents, ['loading', 'loadingdone', 'loadingerror']);
      asyncEnd();
    }
  
    onLoading(e) {
  
negative.code:   onLoadingError(e) {
      firedEvents.add(e.type);
      event = e;
      shouldBe(event.fontfaces.length, 1);
      failedFonts = e.fontfaces.map((face){return face.family;}).toList()..sort();
      shouldBeList(failedFonts, ['myfont2']);
      finish();
    }
  
  