Run minimal openQA tests with the system extension
Add a minimal subset of openQA tests used in gnome-build-meta to test that the system extension produced by the build-sysext job ovelaid on the latest GNOME OS disk image can successfully boot to a gnome-shell session.
Use the gnomeos-test-sysext CI/CD component to run the minimal openQA tests with the system extension produced by the build-sysext job and the latest GNOME OS disk image.
See https://gitlab.gnome.org/GNOME/openqa-tests See gnome-build-meta#837