anchor.diff:  
   
   }
  +*/
  
positive.code: library test.nv.note_list_view_model;
  
  import 'dart:async';
  import 'package:unittest/unittest.dart';
  import 'package:observe/observe.dart';
  
  
negative.code: import 'package:nv/src/storage.dart';
  import 'package:nv/src/sync.dart';
  
  void main() {
    test('filter', () {
  
    });
  }
  