libweave: Remove inclusion of chromeos/test_helpers.h

The only useful part of that is initialization of logging.
Also added call testing::InitGoogleMock.

BUG=brillo:1257
TEST=`FEATURES=test emerge-gizmo libweave`

Change-Id: I097cbe38746f4b09d4df3eedbafac2a142834644
Reviewed-on: https://chromium-review.googlesource.com/293614
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
1 file changed
tree: 3da91feb43e6e8ebdf39129c0b232a0ba5cbad76
  1. libweave/