The current format that prints the process PID before the actual
message.
Adapt the test so it also passes on Windows, that emits a different
message from the rest of platforms.
Move the test to parallel.
PR-URL: https://github.com/nodejs/node/pull/6584
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Rich Trott <rtrott@gmail.com>
