// start a tx1, add a change A and commit
Transaction tx1 = txManager.startShort();
Assert.assertTrue(txManager.canCommit(tx1, Collections.singleton(a)));
Assert.assertTrue(txManager.commit(tx1));
// start a tx2 and add a change B
Transaction tx2 = txManager.startShort();
Assert.assertTrue(txManager.canCommit(tx2, Collections.singleton(b)));
// start a tx3
Transaction tx3 = txManager.startShort();
TransactionSnapshot origState = txManager.getCurrentState();
LOG.info("Orig state: " + origState);