Add test to catch non-numeric sorting of sides
Add test to catch non-numeric sorting of sides

MattH-be/ecmascript,exercism/xecmascript,tejasbubane/xecmascript,tejasbubane/xecmascript,MattH-be/ecmascript,exercism/xecmascript,arthurchipdean/xecmascript,arthurchipdean/xecmascript