Update .gitlab-ci.yml

1 job for gitlab-ci in 59 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
failed #41
alpine docker
build

00:00:59

 
Name Stage Failure
failed
build Build There is an unknown failure, please try again
./tests/admin-tests.sh: line 40: test: : integer expression expected
./tests/admin-tests.sh: line 139: kill: (4624) - No such process
./tests/admin-tests.sh: line 142: kill: (4625) - No such process
./tests/admin-tests.sh: line 146: kill: (4621) - No such process
FAIL [] Expected: 200

All tests done

ERROR: Job failed: exit code 1