SEBA-557 Call testservice Makefile

Change-Id: I432326e211e08ddf1299945c9b5974b2f5104f71
diff --git a/jjb/pipeline/xos-core.groovy b/jjb/pipeline/xos-core.groovy
index 77da73f..65cef90 100644
--- a/jjb/pipeline/xos-core.groovy
+++ b/jjb/pipeline/xos-core.groovy
@@ -86,7 +86,7 @@
            cd $WORKSPACE/cord/orchestration/xos/containers/xos
            make build
            cd $WORKSPACE/cord/orchestration/xos/testservice
-           docker build --no-cache -t xosproject/testservice-synchronizer:candidate -f Dockerfile.synchronizer .
+           make DOCKER_TAG=candidate DOCKER_BUILD_ARGS=--no-cache DOCKER_REPOSITORY=xosproject/ docker-build
            """
       }
     }