Jonas Ådahl 4bcbe9be83 tests: Make perf tests non-parallel
We currently hard code the display name, and running multiple instances
at the same time will probably just make things too slow for CI.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2623>
2023-02-06 18:10:01 +00:00
..