More bugfixing of the test stage of gitlab CI.

.gitlab-ci.yml

@@ -30,10 +30,11 @@ test:
         - go.sum
       when: always
   before_script:
-    - cp container/varnishcache_varnish66.list /etc/apt/sources.list.d/
     - apt-get update -q
     - apt-get install -y debian-archive-keyring curl gnupg apt-transport-https
     - curl -L https://packagecloud.io/varnishcache/varnish66/gpgkey | apt-key add -
+    - cp container/varnishcache_varnish66.list /etc/apt/sources.list.d/
+    - apt-get update -q
     - apt-get install -y golang-golang-x-tools pandoc git varnish-dev=6.6.2-1-buster
     - git clone https://github.com/slimhazard/gogitversion.git
     - pushd gogitversion