public void AssertThatResourceArrayIsPresent()
        {
            var resource = _result.Items <OrderItem>().Data().First();
            var expected =
                _orderItem
                .AsSource()
                .OfLikeness <OrderItem>()
                .WithCollectionInnerLikeness(d => d.SerialNumbers, s => s.SerialNumbers);

            expected.ShouldEqual(resource);
        }