{
assertRankingEqualsRankingFromLastMessage(PETER, getLastMessageFor(PETER, receivedMessages));
assertRankingEqualsRankingFromLastMessage(KLAUS, getLastMessageFor(KLAUS, receivedMessages));
}
{
assertRankingEqualsRankingFromLastMessage(PETER, getLastMessageFor(PETER, receivedMessages));
assertRankingEqualsRankingFromLastMessage(KLAUS, getLastMessageFor(KLAUS, receivedMessages));
}