public void SortedSetSyncProviderShouldHaveAValidStringForNonNullableItems()
        {
            var provider = new SortedSetSyncProvider <int>();

            provider.Items = new SortedSet <int>();
            provider.Items.Add(1);

            provider.ToString().Should().Be(provider.Items.ToString());
        }
        public void SortedSetSyncProviderShouldHaveAValidStringForNullableItems()
        {
            var provider = new SortedSetSyncProvider <int>();

            provider.ToString().Should().NotBeNullOrWhiteSpace();
        }