[gnome-control-center] (5 commits) Non-fast-forward update to branch wip/benzea/ci

[Benjamin Berg <bberg src gnome org>]

The branch 'wip/benzea/ci' 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:

  8a12bae... Move common shell code to panels/common into new static lib
  4dd5c6f... Move printers panel tests into tests folder

Commits added to the branch:

  2aeaa0e... Move common shell code to panels/common into new static lib
  6dd40fb... Move printers panel tests into tests folder
  2b5e61a... Move info panel test to tests subdirectory
  4f5fe32... Move datetime tests into tests subdirectory.
  a8ec1c4... shell: Add basic shell for testing purposes