.calendarEntryOfId(
calendarEntry.tenant(),
calendarEntry.calendarEntryId());
assertNotNull(changedCalendarEntry);
assertEquals(3, changedCalendarEntry.allInvitees().size());
for (Participant invitee : changedCalendarEntry.allInvitees()) {
assertTrue(invitee.identity().equals("participant1") ||
invitee.identity().equals("participant2") ||
invitee.identity().equals("participant3"));