Make sure it runs with gradle during testing stage

.gitlab-ci.yml

@@ -76,6 +76,8 @@ test:
         - master
         - development
         - merge_requests
+    script:
+      - ./gradlew test
     after_script: 
         - awk -F"," '{ instructions += $4 + $5; covered += $5 } END { print covered, "/", instructions, " instructions covered"; print 100*covered/instructions, "% covered" }' /app/target/site/jacoco/jacoco.csv