Ensure spec only runs on branches and tags

.gitlab-ci.yml

@@ -11,12 +11,14 @@ rails spec:
   stage: test
   image: $CI_REGISTRY_IMAGE/test/commits:$CI_COMMIT_SHA
   rules:
+    - if: $SKIP_TEST
+      when: never
+    - if: $CI_PIPELINE_SOURCE != "push"
+      when: never 
     - changes:
         - '**/*.rb'
         - 'Gemfile'
         - 'Gemfile.lock'
-    - if: $SKIP_TEST
-      when: never
   script:
     - cd /app
     - bundle exec rails db:migrate