LOS-572: Implement jUnit tests

ci/common.yml

@@ -8,6 +8,11 @@
       echo "${IMAGECI_PRIV_KEY}" > imageci.pem
       chmod 400 imageci.pem
   allow_failure: true
+  artifacts:
+    paths:
+      - _junit/result.xml
+    reports:
+      junit: _junit/result.xml
 
 .get_latest_image: &get_latest_image
   - |