unittest2 was needed for Python version <= 2.6, so it has not been needed for quite some time now. See unittest2 note on: https://docs.python.org/2.7/library/unittest.html This replaces unittest2 in favor of the standard unittest package. Change-Id: Idd5df4c8068810bbbd2bd5058ca38df9f5416a62 Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>