// Get transaction manager references
TransactionManager[] mbs = getTransactionManagers(2);
TransactionManager txnmgr1 = mbs[0];
TransactionManager txnmgr2 = mbs[1];
NestableTransactionManager ntxnmgr =
new NoOpNestableTransactionManager();
ServerTransaction st1_1 = new ServerTransaction(txnmgr1, 1L);
ServerTransaction st1_2 = new ServerTransaction(txnmgr1, 2L);
ServerTransaction st2_1 = new ServerTransaction(txnmgr2, 1L);