[glib] Non-fast-forward update to branch halfline/test-case-pipe-confusion

[Ray Strode <halfline src gnome org>]

The branch 'halfline/test-case-pipe-confusion' 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:

  15252cb... ci: Check if /proc is mounted
  28c7648... tests/desktop-app-info: Make sure scripts writes to the rig

Commits added to the branch:

  8c80fe0... tests/desktop-app-info: Use named pipe instead of /proc