@Override
            protected String getIndexName() {
                return "fess_config.coordinator";
            }
        };

        helper.completeOperation("test_op");
        helper.completeOperation("test_op");
        assertEquals(2, callCount.get());
    }

    // ===================================================================================

    }.test();
  }

  public void testAny() {
    List<String> list = new ArrayList<>();
    Predicate<String> predicate = equalTo("pants");

    assertFalse(any(list.iterator(), predicate));
    list.add("cool");
    assertFalse(any(list.iterator(), predicate));
    list.add("pants");
    assertTrue(any(list.iterator(), predicate));
  }

  public void testAll() {
    List<String> list = new ArrayList<>();

    }.test();
  }

  public void testAny() {
    List<String> list = new ArrayList<>();
    Predicate<String> predicate = equalTo("pants");

    assertFalse(any(list.iterator(), predicate));
    list.add("cool");
    assertFalse(any(list.iterator(), predicate));
    list.add("pants");
    assertTrue(any(list.iterator(), predicate));
  }

  public void testAll() {
    List<String> list = new ArrayList<>();