txn = log.newTransaction();
txn.enqueueMessage(mockQueue, new MockMessage(31L));
txn.abortTran();
txn = log.newTransaction();
txn.enqueueMessage(mockQueue, new MockMessage(32L));
txn.commitTran();
List<Long> enqueuedIds = bdbStore.getEnqueuedMessages(mockQueueId);
assertEquals("Number of enqueued messages is incorrect", 2, enqueuedIds.size());