Test directly looks to see if a I:S:A.listen returns a usable Tap This is an improved test for:       https://github.com/rakudo/rakudo/issues/2411
Test directly looks to see if a I:S:A.listen returns a usable Tap
This is an improved test for:
      https://github.com/rakudo/rakudo/issues/2411

perl6/roast,dogbert17/roast,dogbert17/roast