@After
  public void tearDown() throws Exception {
    // truncate db
    factory.getDb().command(new OCommandSQL("truncate class Pictogram")).execute();

    // close db
    try {
      factory.getDb().close();
    } catch (Exception e) {
      // do nothing
    }
  }
  @Before
  public void setUp() throws Exception {
    // set up schema if needed
    orientDBTestInstance.setUpSchemaIfNeeded();

    // open database
    ODatabaseDocumentTx db = orientDBTestInstance.getDatabase();

    factory =
        new OrientDbRepositoryFactory(db, new OrientDbTestApplicationSettings(), new Identity());

    // create repository
    repository = factory.produceRepository(OrientDbPictogramRepository.class);
  }