@Test
public void testVacuum_OnlyAdminCanRun() throws Exception {

    final RequestSummary requestSummary = handler.vacuumAttachmentDB(new User("a", "a", "a").setUserGroup(UserGroup.USER), ImmutableSet.of("A1", "A2"));
    assertThat(requestSummary.requestStatus, is(RequestStatus.FAILURE));
}