[PATCH 1 of 2] run-tests: wrap failures in an XUnit 'failure' element

[Yuya Nishihara]

On Wed, 7 Jun 2017 15:47:17 -0700, Siddharth Agarwal wrote:
> # HG changeset patch
> # User Siddharth Agarwal <sid0 at fb.com>
> # Date 1496875626 25200
> #      Wed Jun 07 15:47:06 2017 -0700
> # Node ID 0bdfd2f0e15b0d4a20ea4d288e0b4e04f37f25b4
> # Parent  3210ffcae3d0b2c2a34b0485f7e20c4057ba6953
> run-tests: wrap failures in an XUnit 'failure' element

Queued these, thanks.