Revert "Update .gitlab-ci.yml file"

This reverts commit d2174b6eba22556ae62c54c8891b25ed2c0d7bc6

.gitlab-ci.yml

@@ -1,6 +1,13 @@
 image: registry.gitlab.com/pages/hugo/hugo_extended:latest
 variables:
   GIT_SUBMODULE_STRATEGY: recursive
+test:
+  script:
+    - hugo
+  except:
+    variables:
+      - $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  interruptible: true
 pages:
   script:
   - hugo --gc --minify --cleanDestinationDir