Merge pull request dotnet/corefx#8909 from jyoungyun/fix/issue_8908
authorStephen Toub <stoub@microsoft.com>
Fri, 17 Jun 2016 11:05:34 +0000 (07:05 -0400)
committerGitHub <noreply@github.com>
Fri, 17 Jun 2016 11:05:34 +0000 (07:05 -0400)
Improve the CoreFX test runner

Commit migrated from https://github.com/dotnet/corefx/commit/4f83f8005e1217467b15499c2e50692603da5ae2


Trivial merge