Run apt-get update first

.gitlab-ci.yml

@@ -18,9 +18,7 @@ Test SSH:
     ## Install ssh-agent if not already installed, it is required by Docker.
     ## (change apt-get to yum if you use an RPM-based image)
     ##
-    - 'which ssh-agent || ( apt-get install openssh-client git -y )'
-    ## If you want to run apt-get update first...
-    ## - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client git -y )'
+    - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client git -y )'
 
     ##
     ## Run ssh-agent (inside the build environment)