@Test
public void testWithAliasInNewLanguage() {

	MonolingualTextValue newAlias = new MonolingualTextValueImpl(
			"Item42", "fr");
	ItemDocument withAliases = ir1.withAliases("fr", Collections.singletonList(newAlias));
	assertEquals(Collections.singletonList(newAlias), withAliases.getAliases().get("fr"));
}