onboarding container now uses xosproject/xos instead of xosproject/xos-synchronizer-onboarding

Change-Id: I475d2dfe3e38024d1ed3462042099ecbc9ec371a
diff --git a/test-standalone/docker-compose-bootstrap.yml b/test-standalone/docker-compose-bootstrap.yml
index eb54cc9..13121ed 100644
--- a/test-standalone/docker-compose-bootstrap.yml
+++ b/test-standalone/docker-compose-bootstrap.yml
@@ -17,7 +17,7 @@
       - ../../xos/xos/core/tests:/opt/xos/core/tests
 
 xos_synchronizer_onboarding:
-    image: xosproject/xos-synchronizer-onboarding
+    image: xosproject/xos
     command: bash -c "cd /opt/xos/synchronizers/onboarding; ./run.sh"
 #    command: sleep 86400
     labels: