Person p = new Person("fordp", "Ford", "X", newLastName, "Volgon-Swatter");
p.setDisplayNameSuffix(" FOO");
UpdatePersonResponse response = sut.execute(p);
assertTrue(response.wasUserUpdated());
assertTrue(response.wasDisplayNameUpdated());
getEntityManager().flush();
getEntityManager().clear();
Person resultPerson = (Person) getEntityManager().createQuery("FROM Person WHERE id = :id")