public void GetLastPrefixFromEmptyCollectionDoesNotThrowArgumentOutOfRangeException()
 {
     qualifiedNameCollection = new QualifiedNameCollection();
     Assert.AreEqual(String.Empty, qualifiedNameCollection.GetLastPrefix());
 }
 public void GetLastPrefixReturnsPrefixFromLastQualifiedNameInCollection()
 {
     Assert.AreEqual("second-prefix", qualifiedNameCollection.GetLastPrefix());
 }