Hopefully, corrected CI configuration

.gitlab-ci.yml

+stages:
+    - test
+
 before_script:
-  - apt-get update -qq && apt-get install -y -qq phpunit
+    - apt-get update -qq && apt-get install -y -qq phpunit
 
-test:app:
-  script:
-  - phpunit --configuration phpunit.xml
+phpunit_tests:
+    script:
+        - phpunit --configuration phpunit.xml
+    tags:
+        - 'librem5'
+    stage: test