@Test
  public void testAssignAuditoriumToEvent() {

    Event testEvent = createEvent();
    Auditorium testAuditorium = createAuditorium();

    eventService.assignAuditoriumToEvent(testEvent, TESTED_DATE_2, testAuditorium);

    Assert.assertTrue(testAuditorium.getEventSchedule().contains(TESTED_DATE_2));
    Assert.assertEquals(testEvent.getAuditoriums().get(TESTED_DATE_2), testAuditorium);

    eventService.removeAuditoriumAssignment(testEvent, TESTED_DATE_2, testAuditorium);

    Assert.assertFalse(testAuditorium.getEventSchedule().contains(TESTED_DATE_2));
  }