message: DRY usernames
diff: @@ -76,11 +76,11 @@ async function checkPaginatedDisplayNames(alice, charlies) {
  });
  }, messages);
  }, []);
  - await checkTimelineContains(alice, expectedMessages, "Charly #1-5");
  + await checkTimelineContains(alice, expectedMessages, charlies.log.username);
  }
  async function checkMemberList(alice, charlies) {
  - alice.log.step("checks the memberlist contains herself, bob and all charlies");
  + alice.log.step(`checks the memberlist contains herself, bob and ${charlies.log.username}`);
  const displayNames = (await getMembersInMemberlist(alice)).map((m) => m.displayName);
  assert(displayNames.includes("alice"));
  assert(displayNames.includes("bob"));
  