@Test
public void getNextUris() throws Exception {

    queue.addUri(uris.get(1));
    //  queue.addCrawleableUri(uris.get(1));
    List<CrawleableUri> nextUris = frontier.getNextUris();
    List<CrawleableUri> assertion = new ArrayList<CrawleableUri>();
    assertion.add(uris.get(1));
    assertEquals("Should be dbr:New_York", assertion, nextUris);
}