More bugfixing of the test stage of gitlab CI.

.gitlab-ci.yml

@@ -35,7 +35,7 @@ test:
     - 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
+    - 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
     - chmod a+x ./bootstrap.sh