public void ShouldGetFirstItemOfCompositeSlices()
        {
            var            document   = Fixtures.GetDocument("composite_slices.json");
            var            resolver   = prismic.DocumentLinkResolver.For(doc => String.Format("http://localhost/{0}/{1}", doc.Type, doc.Id));
            SliceZone      sliceZone  = document.GetSliceZone("page.page_content");
            CompositeSlice firstSlice = (CompositeSlice)sliceZone.Slices[0];
            StructuredText richText   = firstSlice.GetPrimary().GetStructuredText("rich_text");

            Assert.Equal("<p>Here is paragraph 1.</p><p>Here is paragraph 2.</p>", richText.AsHtml(resolver));

            CompositeSlice secondSlice = (CompositeSlice)sliceZone.Slices[1];
            String         expectedUrl = "https://prismic-io.s3.amazonaws.com/levi-templeting%2Fdc0bfab3-d222-44a6-82b8-c74f8cdc6a6b_200_s.gif";

            Assert.Equal(expectedUrl, secondSlice.GetItems().GroupDocs[0].GetImage("image").GetView("main").Url);
        }