Fix test for reversed character ranges.
Fix test for reversed character ranges.

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