As the Holochain project matures, we continue to clarify the distinction between components. This is showing up in our testing framework and installation process, as well as the Git repos that hold them. As a result, our automated testing has been greatly simplified, giving us more time to work on new features!
Read Article: https://blog.holochain.org/diorama-for-app-spec-tests-a-separate-repo-for-holonix-and-more/