@Test
public void testRemoveAllProducers() throws Exception {
Responsible base = RESPONSIBLE_FACTORY.getNext();
Responsible second = RESPONSIBLE_FACTORY.getNext();
Responsible third = RESPONSIBLE_FACTORY.getNext();
Collection<Responsible> toAdd = new HashSet<>();
toAdd.add(base);
toAdd.add(second);
toAdd.add(third);
Collection<Responsible> toRemove = new HashSet<>();
toRemove.add(second);
toRemove.add(third);
producers.addAll(toAdd);
entity.addAllProducers(toAdd);
producers.removeAll(toRemove);
entity.removeAllProducers(toRemove);
assertEquals(producers, entity.getProducers());
}
