do not build tests all the time

This is causing the builds to randomly flake due to incomplete deps, and
adds overhead to the build that is unnecessary.  We don't build the tests
in other packages all the time, so don't do it here either.

BUG=chromium:360122
TEST=`emerge-amd64-generic chromeos-installer` works & doesn't build the tests
TEST=`FEATURES=test emerge-amd64-generic chromeos-installer` works & builds & runs the tests

Change-Id: Id21e04c06df39b8ffe954e592d1975ad3ccd33e1
Reviewed-on: https://chromium-review.googlesource.com/202001
Reviewed-by: Gilad Arnold <garnold@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
1 file changed