public void SaveFiles()
        {
            var requestModels = _dbContext.RequestModels;

            foreach (var requestModel in requestModels)
            {
                _requestModelXmlFileSaver.SaveRequestModelXmlFile(requestModel);
            }
        }
        public void SaveXmlFilesForRequest_Valid()
        {
            var request = new RequestModel()
            {
                Index = 1, Name = "testing", Date = DateTime.Parse("2018-02-05"), Visits = 4
            };
            var path     = _requestModelXmlFileSaver.BuildPath(request);
            var fileName = _requestModelXmlFileSaver.BuildFileName(request);

            var fullPath = $"{path}/{fileName}";

            _requestModelXmlFileSaver.SaveRequestModelXmlFile(request);

            Assert.IsTrue(System.IO.File.Exists(fullPath));
        }