@Test
  public void testListUserPopular() throws FlickrException {

    TagsInterface iface = flickr.getTagsInterface();
    Collection<Tag> tags = iface.getListUserPopular(testProperties.getNsid());
    assertNotNull(tags);
    assertEquals(10, tags.size());
    for (Tag tag : tags) {
      assertNotNull(tag.getValue());
    }
  }