public void VerifyThatAddRangeWorks()
{
this.testList = new OrderedItemList<Thing>(this.person, true);
var listItemToAdd = new List<Thing>();
listItemToAdd.Add(new EmailAddress(Guid.NewGuid(), null, null));
listItemToAdd.Add(new TelephoneNumber(Guid.NewGuid(), null, null));
this.testList.AddRange(listItemToAdd);
Assert.AreEqual(listItemToAdd.Count, this.testList.Count);
}