Add tests for make_sortable
Add tests for make_sortable

eregs/regulations-site,tadhg-ohiggins/regulations-site,eregs/regulations-site,eregs/regulations-site,18F/regulations-site,18F/regulations-site,eregs/regulations-site,tadhg-ohiggins/regulations-site,tadhg-ohiggins/regulations-site,18F/regulations-site,tadhg-ohiggins/regulations-site,18F/regulations-site