Keyboard k = Keyboard.createIt("description", "blah");
Computer c = new Computer();
c.setParent(m);
c.setParent(k);
c.save();
c = Computer.findById(c.getId());
a(c.get(m.getIdName())).shouldBeEqual(m.getId());
a(c.get(k.getIdName())).shouldBeEqual(k.getId());
}