Add barbican_integration_enabled config option

in the `compute_feature_enabled` group.
It will govern execution of tests that can't work
when certain barbican-related features are enabled in other services,
e.g. when image signatures are required and enforced.

Related-prod: PRODX-4874
Change-Id: I419b055e5224f498f3c4082bfd88de25a7354ff4
1 file changed