Make sure VoiceEngine tests only include one test framework.

BUG=
R=henrikg@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1499004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4078 4adac7df-926f-26a2-2b94-8c16560cd09d
12 files changed