public void HtmlGetAttachmentFromPdfTest() { var file = TestFiles.WithAttachmentPdf; var request = new HtmlGetAttachmentRequest { FileName = file.FileName, AttachmentName = file.AttachmentName, Folder = file.Folder, Storage = null }; var response = ViewerApi.HtmlGetAttachment(request); Assert.IsInstanceOf <System.IO.Stream>(response, "Expected response type is System.IO.Stream"); Assert.IsTrue(response.Length > 0); }