During debugging, the following changes are also included:
- Support to specify an image ID to run the integration test.
- Fix the reboot function bug.
- Remove the unsuccessful restart test.
How to run integration test with dev_mode=false:
ADMIN_PASSWORD=password \
SERVICE_PASSWORD=password \
DEV_MODE=false \
/opt/stack/trove/integration/scripts/trovestack gate-tests mysql mysql
Change-Id: I31d4ee579a554f4c98f9facb9fd4b7779665a3dd