turn old test into valid Perl 6
turn old test into valid Perl 6

That is, fix stringificationn of variables and lexical regex declarations.

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