public void VerifyAddFormNameErrorMessages() { CategoryFacade facade = new CategoryFacade(); var path = PathGenerator.AbsoluteRelativeCombine(Paths.DataBindLocation + "CategoryFormName.xlsx"); foreach (var sheet in Workbook.Worksheets(path)) { foreach (var row in sheet.Rows) { Categories category = new Categories(row.Cells); facade.AddCategory(category); facade.AssertNameErrorMessage(category); } } }