@Test
public void testSingleFencer() throws BadFencingConfigurationException {

  NodeFencer fencer = setupFencer(
      AlwaysSucceedFencer.class.getName() + "(foo)");
  assertTrue(fencer.fence(MOCK_TARGET));
  assertEquals(1, AlwaysSucceedFencer.fenceCalled);
  assertSame(MOCK_TARGET, AlwaysSucceedFencer.fencedSvc);
  assertEquals("foo", AlwaysSucceedFencer.callArgs.get(0));
}