1. Get the spec for `lib/gitlab/auth.rb` passing.
- Make the `request` argument to `AccessTokenValidationService` optional -
`auth.rb` doesn't need to pass in a request.
- Pass in scopes in the format `[{ name: 'api' }]` rather than `['api']`, which
is what `AccessTokenValidationService` now expects.
2. Get the spec for `API::V3::Users` passing
2. Get the spec for `AccessTokenValidationService` passing
- Test `GET` endpoints to check that the scope is allowed.
- Test `POST` endpoints to check that the scope is disallowed.
- Test both `v3` and `v4` endpoints.
