Add tests for user-initiated migrations

these are not meant to test the full extent of migration
capabilities, but just to functionally test the correctness
of applied policy changes that must allow ordinary users
to request cold or live migration without specifying target host.

Closes-Issue: PRODX-42800
Change-Id: I92650067c7f5c6973c9ddf4e6109034213df4c5b
(cherry picked from commit d7d58d6c40629c3448950cea531e954dfa666988)
2 files changed