* Note that adding enumeration values is normally not allowed, so a future version of this test may
* need to change the code type.
*/
@Test
public void testTreeWithCustomElements() {
final DefaultKeywords keywords = new DefaultKeywords();
keywords.setKeywords(Arrays.asList(
new SimpleInternationalString("Apple"),
new SimpleInternationalString("Orange"),
new SimpleInternationalString("Kiwi")));
final DefaultDataIdentification identification = new DefaultDataIdentification();