@Test
 public void testWanReplicationConfig() {
   WanReplicationConfig wcfg = config.getWanReplicationConfig("testWan");
   assertNotNull(wcfg);
   assertEquals(2, wcfg.getTargetClusterConfigs().size());
   WanTargetClusterConfig targetCfg = wcfg.getTargetClusterConfigs().get(0);
   assertNotNull(targetCfg);
   assertEquals("tokyo", targetCfg.getGroupName());
   assertEquals("tokyo-pass", targetCfg.getGroupPassword());
   assertEquals("com.hazelcast.wan.WanNoDelayReplication", targetCfg.getReplicationImpl());
   assertEquals(2, targetCfg.getEndpoints().size());
   assertEquals("10.2.1.1:5701", targetCfg.getEndpoints().get(0));
   assertEquals("10.2.1.2:5701", targetCfg.getEndpoints().get(1));
   assertEquals(wanReplication, wcfg.getTargetClusterConfigs().get(1).getReplicationImplObject());
 }