anchor.diff:        /* Test 3: Empty data url */
         @font-face {
             font-family: myfont3;
  -          src: url(data:application/x-truetype-font,) format(truetype);
  +          src: url(data:application/x-truetype-font,);
         }
   
         /* Test 4: Download error followed by existing local font */
  
positive.code:       /* Test 1: Invalid font data */
        @font-face {
            font-family: myfont1;
            src: url('$root/resources/invalidfont.png') format(opentype);
        }
  
        /* Test 2: Download error */
  
negative.code:   onLoadingError(e) {
      firedEvents.add(e.type);
      event = e;
      shouldBe(event.fontfaces.length, 4);
      failedFonts = e.fontfaces.map((face){return face.family;}).toList()..sort();
      shouldBeList(failedFonts, ['myfont1', 'myfont2', 'myfont3', 'myfont5']);
      finish();
    }
  
  