// modify jcd copy
jcd.setJcdAlias(jcdAlias);
SequenceDescriptor sd = jcd.getSequenceDescriptor();
assertNotNull("Can not find sequence-descriptor - check test", sd);
// don't use autoNaming
sd.addAttribute("autoNaming", "false");
// add new connection descriptor to global base
mm.connectionRepository().addDescriptor(jcd);
// allow per thread changes of persistent object data
mm.setEnablePerThreadChanges(true);