Cherry-pick #8268 to 6.x: Windows tests should fail build on error#8510

Merged

graphaelli merged 1 commit intoelastic:6.xfrom graphaelli:backport_8268_6.x

Oct 4, 2018

+19-13

Commits on Oct 1, 2018

Windows tests should fail build on error (elastic#8268 )
graphaelli
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