	@Test
	public void isKnownEventTest() {

		String eventId = "event1";
		OadrEvent createOadrEvent = createOadrEvent(eventId, 0L);
		assertFalse(oadr20bVENEiEventService.isKnownEvent(VTN_SOURCE, createOadrEvent));
		oadr20bVENEiEventService.saveOadrEvent(VTN_SOURCE, createOadrEvent);
		assertTrue(oadr20bVENEiEventService.isKnownEvent(VTN_SOURCE, createOadrEvent));
		oadr20bVENEiEventService.clearOadrEvents();
	}