Run a pre-prod test CI step

.gitlab-ci.yml

@@ -22,6 +22,6 @@ test:
     PHP_FPM_USER: www-data
   script:
     - apt -q update
-    - env DEBIAN_FRONTEND=noninteractive apt -y --no-install-recommends install mariadb-client curl
-    - curl -v ${SITE_URL}
+    - env DEBIAN_FRONTEND=noninteractive apt -y --no-install-recommends install curl
+    - "curl -H 'Host: noblogs.org' -v ${SITE_URL}"