public void GetAllCustomers_ShouldReturnAllCustomers()
        {
            var address = string.Format(CommonService.GetCustomers, UriRoot);
            var headers = new WebHeaderCollection
            {
                { "Accept-Charset", "UTF-8" },
            };

            var getResponseString = ClientRequestHelper.SendRequest(headers, address, Constants.HttpMethodNames.Get);
            var actionResult      = ResponseExtension.ValidateSucceedResponse(getResponseString);

            //assert
            Assert.IsNotNull(actionResult.Data);
        }