Migrate to override_role for compute module (part 1)
Now that override_role has supplanted switch_role (which has
been deprecated) in [0], the RBAC tests need to switch to use
override_role.
This PS switches to override_role for the compute module. This
PS handles 11 modules; 2 follow-up patch sets will handle the
remaining 22 modules.
This PS also removes unnecessary indexing into response bodies.
[0] I670fba358bf321eae0d22d18cea6d2f530f00716
Partially Implements: blueprint rbac-utils-contextmanager
Change-Id: If0a73139fa339109881f52fa588eec94f8cec1c9
11 files changed