map.put(ONE, ONE);
TransactionRunner runner = new TransactionRunner(env);
runner.setTransactionConfig(txnConfig);
assertNull(currentTxn.getTransaction());
runner.run(new TransactionWorker() {
public void doWork() throws Exception {
assertNotNull(currentTxn.getTransaction());
/* Do a read-committed get(), the lock is not retained. */
assertEquals(ONE, degree2Map.get(ONE));