Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -33,6 +33,17 @@ build-test:
   only:
     - test
 
+test:
+  stage: test
+  tags:
+    - docker
+  script:
+    - mvn clean test
+    - awk -F"," '{ instructions += $4 + $5; covered += $5 } END { print "coverage=" 100*covered/instructions }' target/site/jacoco/jacoco.csv
+  coverage: '/coverage=\d+\.\d+/'
+  only:
+    - master
+
 test-test:
   stage: test
   tags: