public void SelectAddAllColumns()
        {
            CodedUITestHelpers.CompleteStep1(_dataset.DatabaseCode);
            CodedUITestHelpers.CompleteStep2(_dataset, _dataset.Name);

            var allAvailableColumns  = UIMap.GetAllAvailableColumns();
            var expectedUDFSignature = datasetUDF(_dataset.Code, allAvailableColumns);

            UIMap.AssertNumberOfColumnsSelected(0);
            UIMap.ClickAddAllColumnsButton();
            UIMap.AssertNumberOfColumnsSelected(UIMap.CountAvailableColumns());
            UIMap.AssertCorrectUDFSignature(expectedUDFSignature);
        }