assertEquals(3, targets.size());
SetToManyTarget newTarget = o1.getObjectContext().newObject(
SetToManyTarget.class);
o1.addToTargets(newTarget);
assertEquals(4, targets.size());
assertTrue(o1.getTargets().contains(newTarget));
assertSame(o1, newTarget.getSetToMany());
o1.getObjectContext().commitChanges();