Original library: http://code.dlang.org/packages/unit-threaded PR: https://github.com/D-Programming-Language/phobos/pull/3207
It's my first Phobos PR, I tried reading the wiki and doing what's required but bear with me if I've screwed up somehow.
I wasn't sure whether or not to split the PR. In the end I just took the existing library, edited it a lot and got it ready for review.
Unit test blocks can be named with @Name. They execute in parallel by default but that's only if the default runner is used.
Atila