62s [2025-06-23 05:05:37.778952] [0x00007f7696ffd6c0] [error] DBus Connection Error: Failed to connect to socket /run/user/0/bus: Permission denied
I believe the easiest fix for this would be to just run the test script in its own DBus session.
Replacing line 32 of check-gui with the following should do the trick: dbus-run-session -- xvfb-run bash -c '

