anchor.diff:  }
   
   defineTests() {
  +  /*
     group('first run', () {
       test('ensure about dialog open', () {
         ModalUITester modalTester = new ModalUITester("aboutDialog");
  
positive.code:       });
      });
    });
  }
  
negative.code: 
  import 'package:spark_widgets/spark_dialog/spark_dialog.dart';
  import 'package:spark_widgets/spark_dialog_button/spark_dialog_button.dart';
  import 'package:spark_widgets/spark_button/spark_button.dart';
  import 'package:spark_widgets/spark_modal/spark_modal.dart';
  import 'package:unittest/unittest.dart';
  
  