do some multidim slurpy tests (fudged for rakudo)
do some multidim slurpy tests (fudged for rakudo)

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