Gray box end-to-end testing and automation framework for mobile apps
...We believe the only way to tackle flakiness head on is by moving from black box testing to gray box testing. That's where Detox comes into play. Detox is built from the ground up to support React Native projects as well as pure native ones. Read the Getting Started Guide to get Detox running on your app in less than 10 minutes. We believe that the only way to address the core difficulties with mobile end-to-end testing is by rethinking some of the principles of the entire approach.
...The result is a software architecture that allows you to build mobile apps using the same framework—and in some cases the same code—that you use to build Angular web apps, with the performance you’d expect from native code. Read more about building truly native mobile apps with NativeScript and Angular.