ref.setSomeComposite(comp);
ref.setCompB(compB);
session.insert(ref);
ReferencingEntity l = session.loadOne(ReferencingEntity.class, 2);
Assert.assertEquals(l.getId(), 2);
Assert.assertEquals(l.getVal(), "v2");
Assert.assertNotNull(l.getReferencedEntity());
Assert.assertEquals(l.getReferencedEntity().getId(), 1);
Assert.assertEquals(l.getReferencedEntity().getVal(), "1");