Broken links

[christinanguyen332]

注意：本仓库即将锁定，请转到 https://github.com/ng-docs/angular-cn/issues 提 issue，谢谢！
On the following posts:
https://angular.cn/guide/testing
https://v10.angular.cn/guide/testing

this is broken on both:
https://circleci.com/add-projects

Please update with the following:
https://circleci.com/docs/2.0/projects/