tree d7a03f5da0c90d932e27ca349eb9a005ab1ff370
parent 211d4f971f5ec8cce91e4bf4e04897708c2fd0d8
author sonu.kumar <sonu.kumar@nectechnologies.in> 1515568119 +0530
committer sonu.kumar <sonu.kumar@nectechnologies.in> 1515727433 +0530

Migrate to override_role for image module (part 2)

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 image module for
remaining files.

[0] I670fba358bf321eae0d22d18cea6d2f530f00716

Partially Implements: blueprint rbac-utils-contextmanager

Change-Id: I971c1a24858a9a505257402ce3bf3cceaf7648b7