[Testing] Add missing metrics to the Verify::Testing group dashboard
@rickywiens Mentioned some of the elements that are important in &388 (comment 478636234)
The Pipelines::TestsController
is already on its way in gitlab-org/gitlab!50962 (diffs)
Other items to be added, that should already possible using the framework that exists:
- Web service controller metrics
- Sidekiq queue processing times
Edited by Bob Van Landuyt