}
@Test
public void testAddingTwoAdjacencies() {
Person person = framedGraph.addVertex(null, Person.class);
HashSet<Person> people = newHashSet(person.addKnowsNewPerson(), person.addKnowsNewPerson());
assertEquals(people, newHashSet(person.getKnowsPeople()));
}
@Test
public void testRemoveIncidences() {