SwiftUI brought a whole set of new and exciting ways to build user interfaces on Apple Platforms. However there’s no easy way do unit tests with SwiftUI. That is unless you have a good grasp of Combine. In this talk, Leo goes over how to test your SwiftUI application by creating a testable architecture through Apple’s reactive framework Combine. If you are interesting in testing and love SwiftUI this might be the ideal talk for you.

I cover a little bit of this in my talk at 360iDev but I want to deep dive more into the test portion and how to do that:
https://www.youtube.com/watch?v=zkFxOlmLWoA&t=5s