refs: https://github.com/TryGhost/Toolbox/issues/245
- There's no need for a mapper or serializer as labels uses the default behaviour
- Added a full suite of tests, consolidating from regression and using the new framework to prove nothing is broken
refs https://github.com/TryGhost/Toolbox/issues/135
- Going though local utils allows to have the "withFrontend: false" flag applied only to the e2e-api test suites. This way we can gradually introduce the no-frontend change across all test suites