public void personCarriesThingReturnsCarriedThing()
{
Person person = new Person("John");
Thing thing = new Thing("Hat");
var item = person.CarryItem(thing);
Assert.That(item, Is.EqualTo(thing));
}
public void personCarriesNullItemReturnsNull()
{
Person person = new Person("John");
Assert.That(person.CarryItem(null), Is.Null);
}