This patch
- issues a TAP plugin parsable message on non darwin/windows boxes
- uses `const` wherever applicable
- moves the test to parallel
PR-URL: https://github.com/nodejs/node/pull/2599
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: James M Snell <jasnell@gmail.com>
