{
//Check we correctly parse and register Persistence Units
BundleContext extenderContext = extenderBundle.getBundleContext();
mgr = new PersistenceBundleManager();
mgr.start(extenderContext);
Hashtable<String,String> hash1 = new Hashtable<String, String>();
hash1.put("javax.persistence.provider", "no.such.Provider");
ServiceRegistration reg = persistenceBundle.getBundleContext().registerService(new String[] {PersistenceProvider.class.getName(), "no.such.Provider"} ,