For Pingback:
- Test that the pingback actually happens? Make best effort to do so
For WikibaseManifest:
- Make sure that we don't overtest things that are already tested in Manifest. Before writing any tests, review what is already being tested
For Federated Properties:
- Verification that Federated Properties 1.35 works as intended for users should be able to be done in some kind of test system.
- Should test if prefetching works as intended
- Manual setup of entity sources should no longer be necessary