Added new unit tests for get_tenant_list specification
Added new unit tests for get_tenant_list specification

Change-Id: I3550a285810ddd185679cf11cabe91ff32735ae1
Signed-off-by: kasar <e2f88f744f221ee4db1cb5bc096a5be0d47b6122@vmware.com>

igordcard/RO,igordcard/RO