public void ElementsAddedAndOneOtherElementRemovedToListAreAddedToStateMap()
        {
            var l = new CList <int> {
                0, 1
            };

            AttachAndPersist(l);

            l.Remove(1);

            Persist();

            l = Load();

            l.Count.ShouldBe(1);
            l.Single().ShouldBe(0);
        }