assertEquals(Status.STATUS_NO_TRANSACTION, tm.getStatus());
tm.begin();
Transaction tx = tm.getTransaction();
tx.enlistResource(r1_1);
tx.enlistResource(r1_2);
tx.enlistResource(r2_1);
tx.enlistResource(r2_2);
tx.delistResource(r1_1, XAResource.TMSUCCESS);
tx.delistResource(r1_2, XAResource.TMSUCCESS);
tx.delistResource(r2_1, XAResource.TMSUCCESS);
tx.delistResource(r2_2, XAResource.TMSUCCESS);