[EE] Reduce diff with CE in `spec/policies`
CE back port can be found at https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/26593.
Related to https://gitlab.com/gitlab-org/gitlab-ee/issues/9506.
Does this MR meet the acceptance criteria?
-
Tests added for this feature/bug -
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides -
EE specific content should be in the top level /ee
folder -
Security reports checked/validated by reviewer
Edited by Rémy Coutable