@Test
 public void testFindByUniqueName() throws Exception {
   Field field = elements.get(0);
   when(fieldRepository.findByUniqueName(anyString())).thenReturn(field);
   Assert.assertEquals(fieldService.findByUniqueName("field"), field);
 }
 @Test
 public void testFindById() throws Exception {
   Field field = elements.get(0);
   when(fieldRepository.findOne(anyLong())).thenReturn(field);
   Assert.assertEquals(fieldService.findById(anyLong()), field);
 }
 @Test
 public void testFindAll() throws Exception {
   when(fieldRepository.findAll()).thenReturn(elements);
   Assert.assertEquals(fieldService.findAllFields(), elements);
 }
 @Test
 public void testUpdate() throws Exception {
   fieldService.createField(new Field());
   verify(fieldRepository, times(1)).save(any(Field.class));
 }