[t/spec] Unfudge 4 tests that now pass after Rakudo started conforming to interface consistency section of S12.
[t/spec] Unfudge 4 tests that now pass after Rakudo started conforming to interface consistency section of S12.

git-svn-id: 53605643c415f7495558be95614cf14171f1db78@26999 c213334d-75ef-0310-aa23-eaa082d1ae64

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