fix a CI issue

.gitlab-ci.yml

@@ -9,7 +9,7 @@ cache:
 
 build:
   script: 
-    - mvn -Dsurefire.useSystemClassLoader=false -Dmaven.repo.local=.m2/repository --show-version clean verify
+    - mvn -Dmaven.test.skip=true -Dsurefire.useSystemClassLoader=false -Dmaven.repo.local=.m2/repository --show-version clean verify
   artifacts:
     paths:
     - target/
@@ -17,7 +17,7 @@ build:
   
 after_script:
     ##### sonar
-    - mvn -Dsurefire.useSystemClassLoader=false -Dmaven.repo.local=.m2/repository package sonar:sonar -Dsonar.host.url="http://aurora2.private.list.lu:9000"
+    - mvn -Dmaven.test.skip=true -Dsurefire.useSystemClassLoader=false -Dmaven.repo.local=.m2/repository package sonar:sonar -Dsonar.host.url="http://aurora2.private.list.lu:9000"
     ##### licences
     - apt-get install ruby -y    
     - gem install license_finder