@After
 public void setUp() throws Exception {
   HazelcastInstanceManager.terminateAll();
 }
 @AfterClass
 public static void killAllHazelcastInstances() throws IOException {
   HazelcastInstanceManager.terminateAll();
 }
 @Before
 @After
 public void tearDown() throws Exception {
   HazelcastInstanceManager.terminateAll();
 }