@Override
    public UUID getOwnerUuid() {
        return txOwnerUuid;
    }
@Test
    public void getOwnerUUID() {
        UUID ownerUUID = UUID.randomUUID();
        TransactionImpl tx = new TransactionImpl(txManagerService, nodeEngine, options, ownerUUID);
        assertEquals(ownerUUID, tx.getOwnerUuid());
    }