public string AppRequestSave(AppRequest request)
        {
            string errorMessage = string.Empty;

            AppRequestManager.AppRequestUpdate(request, out errorMessage);
            return(errorMessage);
        }
        public void AppRequestUpdate_ReturnString(string status, bool expected)
        {
            AppRequest request = new AppRequest()
            {
                DevStatus = status
            };
            string errorMessage = string.Empty;
            bool   isNullString = false;

            AppRequestManager.AppRequestUpdate(request, out errorMessage, true);
            isNullString = string.IsNullOrEmpty(errorMessage);

            Assert.IsTrue(isNullString == expected);
        }