n.setProperty("myref", ref);
superuser.save();
String p = n.getPath();
VersionManager vMgr = superuser.getWorkspace().getVersionManager();
Version v1 = vMgr.checkpoint(p);
String newPath = testRootNode.getPath() + "/" + nodeName3;
superuser.move(ref.getPath(), newPath);
superuser.save();
ref = superuser.getNode(newPath);