[openqa-tests] (3 commits) Non-fast-forward update to branch sam/upstream-container

[Sam Thursfield <sthursfield src gnome org>]

The branch 'sam/upstream-container' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  e51037e... Use upstream openqa_worker container
  98bb525... Try to fix QEMU video config
  ede31ed... Move all machine config into `POST isos/` call
  72e7983... Remove `display=egl-headless
  4b7fccc... Use virtio-vga
  0f5790c... Try virtio-gpu

Commits added to the branch:

  dfa7afc... Move all machine config into `POST isos/` call (*)
  f683bf9... Merge branch 'sam/machine' into 'master' (*)
  c99a899... Use upstream openqa_worker container

(*) This commit already existed in another branch; no separate mail sent