YARF is a tool built upon the Robot Framework that allows developers to build complex visual test scenarios and bootstrap them locally, and then work towards automated runs in continuous integration (CI) and use of platforms/fixtures like Mir and VNC with minimal effort.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.