This test checks charging state machine works correctly:
- Charge when AC plugged. Discharge when AC unplugged.
- Shutdown when over/under-temperature during discharging.
- Stop charging when over/under-temperature during charging.
BUG=chrome-os-partner:10270
TEST=Test passed
Change-Id: I460645c70f5dcd30e258c43956ffe416c8bce906
Reviewed-on: https://gerrit.chromium.org/gerrit/26383
Reviewed-by: Rong Chang <rongchang@chromium.org>
Commit-Ready: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
