@Test
  public void testDeleteById() {
    Neo4JManufacturer loadedManufacturer =
        neo4JManufacturerRepository.findOne(manufacturer0.getId());
    assertThatManufacturer(loadedManufacturer).exists();

    neo4JManufacturerService.delete(manufacturer0.getId());
    //  neo4JManufacturerRepository.delete(manufacturer0.getId());
    //    neo4JManufacturerRepository.deleteManufacturer(manufacturer0.getId());

    //    loadedManufacturer = neo4JManufacturerRepository.findOne(manufacturer0.getId());
    //    loadedManufacturer = neo4JManufacturerService.findById(manufacturer0.getId());
    assertThatManufacturer(loadedManufacturer).doesNotExist();
  }