Xid xid0 = new MockXid(0, uid0.getArray(), BitronixXid.FORMAT_ID);
xaResource.addInDoubtXid(xid0);
assertNull(btm.getCurrentTransaction());
Thread.sleep(30); // let the clock run a bit so that in-flight TX is a bit older than the journaled one
btm.begin();
Xid xid1 = new MockXid(1, UidGenerator.generateUid().getArray(), BitronixXid.FORMAT_ID);
xaResource.addInDoubtXid(xid1);
TransactionManagerServices.getRecoverer().run();