remove outdated tests for prefix abs
remove outdated tests for prefix abs

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