Add functional test for affinity with multiple cells
Add functional test for affinity with multiple cells

Related-Bug: #1746863

Change-Id: I418bbe5c38faf3e460b0d62219507ed64e156682

klmitch/nova,klmitch/nova,klmitch/nova,openstack/nova,rahulunair/nova,mikalstill/nova,openstack/nova,mahak/nova,rahulunair/nova,klmitch/nova,gooddata/openstack-nova,rahulunair/nova,mahak/nova,openstack/nova,gooddata/openstack-nova,mikalstill/nova,gooddata/openstack-nova,gooddata/openstack-nova,mikalstill/nova,mahak/nova