[Issue 18413] Document how to setup/run DMD test suite on WINDOWS

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18413

Seb <greensunny12 at gmail.com> changed:

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                 CC|                            |greensunny12 at gmail.com

--- Comment #2 from Seb <greensunny12 at gmail.com> ---
There's also Martin's gist on how we bootstraps the Windows VirtualBoxes for
the releases:

https://gist.github.com/MartinNowak/8270666/

(there are similar gists for FreeBSD and OSX)

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