* Add a memory-only option for the network
* Tests cleanup
* Make grandpa/aura/babe compile
* Aura and Babe tests now passing
* More work on tests rewrite
* Attempt to fix grandpa
* Make more grandpa tests pass
* More grandpa tests work
* Work on sync tests
* More work
* light_peer_imports_header_from_announce passes
* can_sync_small_non_best_forks passes
* syncing_node_not_major_syncing_when_disconnected passes
* blocks_are_not_announced_by_light_nodes passing
* All sync tests passing 🎉
* Some TestNet cleanup
* Work on grandpa tests
* More grandpa work
* GrandPa work
* Add check about block_import
* Remove the temporarily added Sync
* Fix network tests warnings
* voter_persists_its_votes passes
* Fix imports in network tests
* Fix service tests
* Call on_block_imported 🤷
* Add shortcut
* Finish using shortcut