anchor.diff:  
     group('HipsterCollection fetch() callback', () {
       callbackSync(method, model, [options]) {
  -      print("[sync] $method / $model");
         options['onLoad']([]);
         callbackDone();
       }
  
positive.code: #import('lib/dartest/dartest.dart');
  
  #import("../public/scripts/HipsterCollection.dart");
  #import("../public/scripts/HipsterSync.dart");
  
  
  class TestHipsterCollection extends HipsterCollection {
    String get url() => 'test.json';
  }
  
  main() {
  
negative.code:         callbackDone();
        });
  
      it.add(new TestHipsterModel());
    });
  
    new DARTest().run();
  