fix failure to fetch gitlab-runner-helper docker image

.gitlab-ci.yml

@@ -40,14 +40,12 @@ test:
         ${GITLAB_RUNNER_IMAGE}
         exec docker
           --docker-volumes "/var/run/docker.sock:/var/run/docker.sock"
-          --docker-pull-policy never
           --env "HOSTNAME=$HOSTNAME"
           --env "CI_PROJECT_NAMESPACE=debian"
           --env "CI_PROJECT_NAME=pidcat"
           --env "CI_COMMIT_REF_NAME=`git symbolic-ref HEAD --short`"
           --env "CI_COMMIT_SHA=`git rev-parse HEAD`"
           test
-          || true  # remove this line once this succeeds
 
 release:
   stage: release