@After
 public void afterTest() throws Exception {
   List<String> names = inventoryRepository.findAllNames();
   Assert.assertEquals(2, names.size());
   assertThat(names, contains("existing_category", "default_category"));
 }
 @Test
 public void test() throws Exception {
   List<InventoryCategory> categories = inventoryRepository.findAll();
   Assert.assertEquals(1, categories.size());
   Assert.assertEquals("existing_category", categories.get(0).getCategoryName());
 }