[PATCH 1 of 2] tests: avoid test failure for mangling path-like string by MSYS

[Yuya Nishihara]

On Tue, 27 Jun 2017 05:21:41 +0900, FUJIWARA Katsunori wrote:
> # HG changeset patch
> # User FUJIWARA Katsunori <foozy at lares.dti.ne.jp>
> # Date 1498497877 -32400
> #      Tue Jun 27 02:24:37 2017 +0900
> # Node ID c31f122d54b6904e1fb212c2e14b162fbb977153
> # Parent  c41cbe98822c5cd5a9a776d47b90c25e2ee11063
> tests: avoid test failure for mangling path-like string by MSYS

Queued, thanks.