Documentation for scenario tests
Documentation for scenario tests

Documentation for new integration tests

Closes-bug: #1431895

Change-Id: Iee1d98c0ea8846332633b95434368cb60a0c04e4

esikachev/sahara-tests,openstack/sahara-tests,esikachev/sahara-tests,openstack/sahara-scenario,openstack/sahara-scenario,openstack/sahara-scenario,openstack/sahara-tests,esikachev/sahara-tests,openstack/sahara-tests,openstack/sahara-tests