@Test
public void testArglessFencer() throws BadFencingConfigurationException {

  NodeFencer fencer = setupFencer(
      AlwaysSucceedFencer.class.getName());
  assertTrue(fencer.fence(MOCK_TARGET));
  // One call to each, since top fencer fails
  assertEquals(1, AlwaysSucceedFencer.fenceCalled);
  assertSame(MOCK_TARGET, AlwaysSucceedFencer.fencedSvc);
  assertEquals(null, AlwaysSucceedFencer.callArgs.get(0));
}