Add display tests

BUG=chromium-os:38139
BRANCH=none
TEST=make runtests

Change-Id: Ibfd3f5f2b7ac8871a99e5d8603baae17926ab972
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/42170
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
3 files changed