MemoryStorage extends Storage { @Override void initialize() { this.dataset = DatasetFactory.createTxnMem(); } MemoryStorage(DriverConfiguration configuration);   }
@Test public void initializationCreatesTransactionalInMemoryDataset() { final Storage storage = new MemoryStorage(StorageTestUtil.createConfiguration("urn:test")); storage.initialize(); final Dataset dataset = storage.getDataset(); assertNotNull(dataset); assertTrue(dataset.supportsTransactions()); }