public void SaveAttachmentToServer()
        {
            var requestParams = new NameValueCollection
            {
                { "FileName", TestData.fileName },
                { "Docid", TestData.folderId },
                { "Ondup", "2" },
                { "TokenId", TestData.access_token },
                { "AttachmentId", "AttachmentId" },
                { "EwsUrl", "EwsUrl" },
                { "EwsId", "EwsId" },
                { "EwsToken", "EwsToken" }
            };

            var context = new Mock <ControllerContext>();

            context.SetupGet(x => x.HttpContext.Request.Form).Returns(requestParams);

            var controller = new OutlookController()
            {
                ControllerContext = context.Object
            };
            JsonResult result = controller.SaveAttachmentToServer();

            Assert.IsNotNull(result.Data);
        }