Fix return value

3 jobs for master in 5 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #12683
run-appdata

00:00:05

failed #12682
run-tests

00:00:01

 
  Build
skipped #12684
run-build
 
Name Stage Failure
failed
run-tests Test

Another git process seems to be running in this repository, e.g.
an editor opened by 'git commit'. Please make sure all processes
are terminated then try again. If it still fails, a git process
may have crashed in this repository earlier:
remove the file manually to continue.
From https://dev.gajim.org/gajim/gajim
! f091cd0aa..211ed18e4 master -> origin/master (unable to update local ref)
ERROR: Job failed: exit status 1