[t/spec] Update fudging in S05-mass/rx.t so as to skip a few that Rakudo can't compile (mostly ::, :::, :x(n), :nth(n) and &).
[t/spec] Update fudging in S05-mass/rx.t so as to skip a few that Rakudo can't compile (mostly ::, :::, :x(n), :nth(n) and &).

git-svn-id: 53605643c415f7495558be95614cf14171f1db78@29758 c213334d-75ef-0310-aa23-eaa082d1ae64

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