@AfterClass
 public static void stopBitronixTransactionManager() {
   delegate.stopBitronixTransactionManager();
 }
 @Override
 protected TransactionService getTxService() {
   return delegate.getTxService();
 }
 @BeforeClass
 public static void setUpBitronixTransactionManager() {
   delegate = new BitronixTransactionTestDelegate();
   delegate.setUpBitronixTransactionManager();
 }