@Test
  public void testNoMatchingFilter() throws Exception {
    List<Filter> filters = Lists.newArrayList(
        linkNameFilter(NAMENODE_JMX, true),
        linkAttributeFilter(SSO, false));
    FilterEvaluator evaluator = new FilterEvaluator(filters);
    assertEquals(Optional.empty(), evaluator.isVisible(namenodeUi));
  }
FilterEvaluator should return {@link Optional.empty()} when the link doesn't match any filters
ambari-server/src/test/java/org/apache/ambari/server/state/quicklinksprofile/FilterEvaluatorTest.java