@Test public void testReplaceWithCoreferent() { final Collection<Entity> entities = Arrays.asList(he); final Map<ReferenceTarget, Entity> referentMap = new HashMap<>(); referentMap.put(chrisRT, chris); final Set<Entity> coreferents = ReferentUtils.replaceWithCoreferent(entities, referentMap); assertEquals(chris, coreferents.iterator().next()); } }