Add tests for validator and renderer attributes for hot-column
Add tests for validator and renderer attributes for hot-column

handsontable/ngHandsontable,handsontable/ngHandsontable,deenairn/ngHandsontable,viktor-hunko/ngHandsontable,viktor-hunko/ngHandsontable,deenairn/ngHandsontable,mattlucas121/ngHandsontable,mattlucas121/ngHandsontable