Be more specific about expected error
Be more specific about expected error

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