Add tools/test-setup.sh script to setup test environment
Add tools/test-setup.sh script to setup test environment

Add simple script to setup the test environment as needed by unit-tests.

This script can be used by users to setup their test environment.

It will be run by OpenStack CI systems as specific setup
before running unit tests.

Change-Id: I56d8c5f21e5dc62e1bace93f79d8d017d6df07e7


openstack/searchlight,openstack/searchlight,openstack/searchlight