Merge pull request dotnet/coreclr#3562 from tijoytom/master
authortijoytom <tijoytom@users.noreply.github.com>
Wed, 9 Mar 2016 21:45:14 +0000 (13:45 -0800)
committertijoytom <tijoytom@users.noreply.github.com>
Wed, 9 Mar 2016 21:45:14 +0000 (13:45 -0800)
Improve interop test coverage.

Commit migrated from https://github.com/dotnet/coreclr/commit/fa7e809b17530818975b7c2212f241c1f91d0fe4


Trivial merge