public void AddColumnWithLodaingIf()
{
SectionRow.LoadingIf(false);
var row = (IEnumerable <object>)SectionRow.Build();
Assert.Equal(row.Last(), @"Text");
SectionRow.LoadingIf(true);
row = (IEnumerable <object>)SectionRow.Build();
Assert.Equal(row.Last(), @"loading");
}