Follow-up from "Allow pulling container images using personal access tokens"
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The following discussion from gitlab-ce!11845 should be addressed:
- [ ] @godfat commented on a [discussion](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/11845#note_31513550): (+2 comments)
> I agree. Reading through related codes, I could see there are ancient codes which really needs some cleanup, and we certainly can't do all of them here... so we need to find a fine line here, for what we should really clear up right now, and what we could leave to the next iteration (or rather, a cleanup/refactoring MR)
>
> Feel free to resolve this or make an issue for it.
The quoted discussion was regarding the JWT controller, and its testing. Both need a cleanup which we should perform soon.
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