* Add test infrastructure code for dendrite unit/integ tests
Start re-enabling some syncapi storage tests in the process.
* Linting
* Add postgres service to unit tests
* dendrite not syncv3
* Skip test which doesn't work
* Linting
* Add `jetstream.PrepareForTests`
Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
* Ensure the input API only uses a single transaction
* Remove more of the dead query API call
* Tidy up
* Fix tests hopefully
* Don't do unnecessary work for rooms that don't exist
* Improve error, fix another case where transaction wasn't used properly
* Add a unit test for checking single transaction on RS input API
* Fix logic oops when deciding whether to use a transaction in storeEvent
