Flutter 测试里用 Jev 保绿的实践文

By now you've likely heard of Jev from @typesafeai, but have thought about using it with your #flutterdev tests? @yiichenhi has done a great write-up on the process and the amazing results of using Jev with your tests to keep them green. https://medium.com/flutter-community/your-widget-tree-is-already-a-list-of-options-where-jev-fits-in-a-flutter-project-ee519ee0571f