Added unit test for start container
Added unit test for start container

Partially-Implements: blueprint ansible-unit-tests
Change-Id: I398f73f24ee5fa29dd11cd9bb8582cc6c195d007

mrangana/kolla,intel-onp/kolla,dardelean/kolla-ansible,GalenMa/kolla,nihilifer/kolla,intel-onp/kolla,stackforge/kolla,dardelean/kolla-ansible,coolsvap/kolla,mandre/kolla,mandre/kolla,stackforge/kolla,rahulunair/kolla,GalenMa/kolla,openstack/kolla,nihilifer/kolla,coolsvap/kolla,openstack/kolla,mandre/kolla,rahulunair/kolla,coolsvap/kolla,mrangana/kolla,dardelean/kolla-ansible,stackforge/kolla