Add tests for chained sequence operators (RT #123329) and fix two existing tests (currently fudged)
Add tests for chained sequence operators (RT #123329)
and fix two existing tests (currently fudged)

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