public override void Given()
        {
            FormFile = Substitute.For <IFormFile>();
            FormFile.FileName.Returns("results.csv");
            ViewModel.File = FormFile;

            ResponseViewModel = new UploadResultsResponseViewModel
            {
                IsSuccess = true
            };

            ResultLoader.ProcessBulkResultsAsync(ViewModel).Returns(ResponseViewModel);
        }
        public override void Given()
        {
            FormFile = Substitute.For <IFormFile>();
            FormFile.FileName.Returns("results.csv");
            ViewModel.File      = FormFile;
            BlobUniqueReference = Guid.Empty;

            ResponseViewModel = new UploadResultsResponseViewModel
            {
                IsSuccess           = false,
                BlobUniqueReference = BlobUniqueReference,
                ErrorFileSize       = 1.5
            };

            ResultLoader.ProcessBulkResultsAsync(ViewModel).Returns(ResponseViewModel);
        }