public void Can_set_cascade_save_update()
        {
            var attributeStore = new AttributeStore<ICollectionMapping>();
            var cascadePart = new CollectionCascadePart<OneToManyPart<Artist, Album>>(null, attributeStore);
            cascadePart.SaveUpdate();

            attributeStore.Get(x => x.Cascade).ShouldEqual(CollectionCascadeType.SaveUpdate);
        }