Add superset tests. (with a little help from Rop!)
Add superset tests. (with a little help from Rop!)

zostay/roast,niner/roast,b2gills/roast,dogbert17/roast,laben/roast,cygx/roast,b2gills/roast,bitrauser/roast,niner/roast,cygx/roast,skids/roast,bitrauser/roast,b2gills/roast,laben/roast,dankogai/roast,zostay/roast,zostay/roast,cygx/roast,dogbert17/roast,skids/roast,perl6/roast,dankogai/roast,niner/roast,skids/roast,laben/roast,dankogai/roast