@Test
public void testAddingSeriesWithoutID() throws Exception {

  testCatalog.remove(DublinCore.PROPERTY_IDENTIFIER);
  DublinCoreCatalog newSeries = seriesService.updateSeries(testCatalog);
  Assert.assertNotNull("New series DC should be returned", newSeries);
  String id = newSeries.getFirst(DublinCore.PROPERTY_IDENTIFIER);
  Assert.assertNotNull("New series should have id set", id);
}