@Test
public void testFetchObjectsByIdWithUnknownId() {

  assertEquals(0, ListUtils.list(getObjectManager().getObjects(null)).size());
  assertEquals(0, ListUtils.list(getObjectManager().getObjects(ListUtils.list())).size());
  assertEquals(0, ListUtils.list(getObjectManager().getObjects(ListUtils.list(UUID.randomUUID()))).size());
}