gitlab-ci: test

.gitlab-ci.yml

@@ -14,17 +14,15 @@ cache: &global_cache
     untracked: true
     paths:
         - node_modules/
+        - .npm/
 
 install-dependencies:
     stage: prepare
     script:
-        - npm ci
+        - npm ci --cache .npm --prefer-offline
     cache:
         <<: *global_cache
         policy: pull-push
-    # only:
-    #     changes:
-    #         - package-lock.json
 
 lint:
     stage: test