Supplement 'os-migrateLive' in actions list in test_admin_actions.py

[huangtianhua]

Action "os-migrateLive" not defined in actions list in test_actions_with_non_existed_instance func.
It should not test the action "os-migrateLive".

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/58477

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/58477
Committed: http://github.com/openstack/nova/commit/8a8b0ba9abcf7237dc4a7d8ddfc739939c6e9164
Submitter: Jenkins
Branch: master

commit 8a8b0ba9abcf7237dc4a7d8ddfc739939c6e9164
Author: huangtianhua <email address hidden>
Date: Tue Nov 26 17:41:17 2013 +0800

    Supplement 'os-migrateLive' in actions list

    The test for actions with non existed instance missing the action
    'os-migrateLive'.

    Change-Id: Ia36c369d60bea9500cc5a64be7971e60cbe79377
    Closes-Bug: #1255023