alias Pleroma.Conversation.Participation
alias Pleroma.Notification
alias Pleroma.Repo
+ alias Pleroma.User
alias Pleroma.Web.CommonAPI
import Pleroma.Factory
participation = Repo.preload(participation, :recipients)
+ user = User.get_cached_by_id(user.id)
assert [user] == participation.recipients
assert other_user not in participation.recipients