Revert "Skip rescue BFV instance tests"
Revert "Skip rescue BFV instance tests"

This reverts commit c1fc88670c0cd1ffa6d13779427c506f5feddb10.

Depends-On: https://review.opendev.org/#/c/725812/
Change-Id: Ic58b68d431a7226fdd16b5ac2259aff92c9ecd16

openstack/devstack-plugin-ceph