/** @see DATAJPA-177 */
  @Test(expected = EmptyResultDataAccessException.class)
  public void throwsExceptionIfEntityWithHashAndRangeKeyToDeleteDoesNotExist() {

    PlaylistId playlistId = new PlaylistId();
    playlistId.setUserName("someUser");
    playlistId.setPlaylistName("somePlaylistName");

    repoForEntityWithHashAndRangeKey.delete(playlistId);
  }
 @Test
 public void findOneEntityWithOnlyHashKey() {
   User user = repoForEntityWithOnlyHashKey.findOne(1l);
   Mockito.verify(dynamoDBOperations).load(User.class, 1l);
   assertEquals(testUser, user);
 }
  /** @see DATAJPA-177 */
  @Test(expected = EmptyResultDataAccessException.class)
  public void throwsExceptionIfEntityOnlyHashKeyToDeleteDoesNotExist() {

    repoForEntityWithOnlyHashKey.delete(4711L);
  }
 @Test
 public void findOneEntityWithHashAndRangeKey() {
   Playlist playlist = repoForEntityWithHashAndRangeKey.findOne(testPlaylistId);
   assertEquals(testPlaylist, playlist);
 }