@Test
public void testGetAllMessageSummaries() {

    Interval interval = new Interval(mentionDate.minusDays(1),  mentionDate.plusDays(1));
    List<MessageSummary> result = underTest.getAllMessageSummaries(interval,
                                                                   ImmutableList.of("room1"),
                                                                   ImmutableList.of("user1"),
                                                                   true);
    assertEquals(1, result.size());
}