Upgrade activerecord-session_store from 0.1.2 to 1.0.0.
Changelog: https://github.com/rails/activerecord-session_store/releases/tag/v1.0.0
Includes Rails 5 support, working towards the never-ending #14286 (moved).
cc: @rspeicher
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Changelog: https://github.com/rails/activerecord-session_store/releases/tag/v1.0.0
Includes Rails 5 support, working towards the never-ending #14286 (moved).
cc: @rspeicher