Improve unit test

6 jobs for master in 16 minutes and 22 seconds (queued for 6 seconds)
Name Stage Failure
failed
sign Sign
$ ci-sign-pkg
========================================================================
=
= Configure and check
=
declare -x CI_COMMIT_REF_NAME="master"
declare -- RESULT_DIR="result"
ci-sign-pkg: use GPG_PRIVATE_KEY (runner) or GPG_USER_ID (workstation)
ERROR: Job failed: exit code 1