Create a CSIT test for MultiCloud

Clone integration repo

git clone http://gerrit.onap.org/r/integration

Setup more contains if needed

The file 'setup.sh' under 'csit/plans/multicloud/functionality1' will setup multicloud containers for CSIT test.

Add more tests

The file 'testplan.txt' under 'csit/plans/multicloud/functionality1/' specific the robot tests to be run.

The content of 'testplan.txt' will looks like following:

# Test suites are relative paths under [integration.git]/test/csit/tests/.
# Place the suites in run order.
multicloud/provision/sanity_test_multivim.robot

When adding tests to file 'multicloud/provision/sanity_test_multivim.robot' , a 'verify-csit' job will be trigger for related patch, and related change will be tested.