assertNotNull(this.discussionId);
Forum newlyStartedForum =
DomainRegistry
.forumRepository()
.forumOfId(forum.tenant(), new ForumId(this.forumId));
assertNotNull(newlyStartedForum);
assertEquals(forum.tenant(), newlyStartedForum.tenant());
assertEquals(this.forumId, newlyStartedForum.forumId().id());
assertEquals(forum.creator().identity(), newlyStartedForum.creator().identity());