Added unit tests for blacklist and whitelist
Added unit tests for blacklist and whitelist

Change-Id: I226b44e90ff634fe2efb91aa9489262effcd8838
Closes-Bug: #1711651

Juniper/tempest,masayukig/tempest,openstack/tempest,cisco-openstack/tempest,cisco-openstack/tempest,masayukig/tempest,Juniper/tempest,openstack/tempest