also test that listop forms are flattening
also test that listop forms are flattening

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