Remove mox from unit/compute/test_compute_mgr.py (end)
Remove mox from unit/compute/test_compute_mgr.py (end)

Stop using fake_server_actions
Stop using mox in test_compute_mgr.py in below test cases:
- test_swap_volume_volume_api_usage
- test_build_and_run_instance_with_icehouse_requested_network

Partially implements: blueprint remove-mox-newton

Change-Id: Ic05046ba5cc3bc331e1da6586468b9cdacdc10be

rajalokan/nova,gooddata/openstack-nova,klmitch/nova,rahulunair/nova,alaski/nova,klmitch/nova,hanlind/nova,hanlind/nova,rahulunair/nova,cloudbase/nova,vmturbo/nova,mikalstill/nova,mikalstill/nova,openstack/nova,phenoxim/nova,mahak/nova,gooddata/openstack-nova,vmturbo/nova,vmturbo/nova,sebrandon1/nova,jianghuaw/nova,rajalokan/nova,rajalokan/nova,Juniper/nova,cloudbase/nova,jianghuaw/nova,Juniper/nova,phenoxim/nova,openstack/nova,vmturbo/nova,alaski/nova,sebrandon1/nova,rajalokan/nova,rahulunair/nova,klmitch/nova,cloudbase/nova,jianghuaw/nova,mahak/nova,jianghuaw/nova,gooddata/openstack-nova,openstack/nova,hanlind/nova,Juniper/nova,Juniper/nova,gooddata/openstack-nova,mahak/nova,mikalstill/nova,sebrandon1/nova,klmitch/nova