Add gate test for fuel-agent that should be executed
for each review in openstack/fuel-agent repo.
Next variables should be exported:
UPDATE_FUEL=True
UPDATE_FUEL_PATH=/path/to/source
Test depends on ready,
so it is better to run it with -k option.
Scenario:
1. Revert snapshot "ready"
2. Update fuel-agent in MCollective
3. Update bootstrap
4. Bootstrap 1 slave
5. Create environment via FUEL CLI
6. Assign controller role
7. Provisioning node
Change-Id: I323398d5a039896f3ec8793ba64b6a6541a4967f
Closes-Bug: #1519880