public void AddColumnWithErrorIf()
        {
            SectionRow.ErrorIf(false);
            var row = (IEnumerable <object>)SectionRow.Build();

            Assert.Equal(row.Last(), @"Text");

            SectionRow.ErrorIf(true);
            row = (IEnumerable <object>)SectionRow.Build();

            Assert.Equal(row.Last(), @"error");
        }