public void TestCouple_BreakUp_Works()
{
Adult adult1 = new Adult();
Adult adult2 = new Adult();
Couple.MakeCouple(adult1, adult2, 1);
Couple.BreakUp(adult1);
Assert.IsTrue((adult1.Partner == null && !adult1.HasPartner) && (adult2.Partner == null && !adult2.HasPartner));
}