@Test
 public void testNetworkConfig() {
   NetworkConfig networkConfig = config.getNetworkConfig();
   assertNotNull(networkConfig);
   assertEquals(5700, networkConfig.getPort());
   assertFalse(networkConfig.isPortAutoIncrement());
   final Collection<String> allowedPorts = networkConfig.getOutboundPortDefinitions();
   assertEquals(2, allowedPorts.size());
   Iterator portIter = allowedPorts.iterator();
   assertEquals("35000-35100", portIter.next());
   assertEquals("36000,36100", portIter.next());
   assertFalse(networkConfig.getJoin().getMulticastConfig().isEnabled());
   assertEquals(networkConfig.getJoin().getMulticastConfig().getMulticastTimeoutSeconds(), 8);
   assertEquals(networkConfig.getJoin().getMulticastConfig().getMulticastTimeToLive(), 16);
   assertFalse(networkConfig.getInterfaces().isEnabled());
   assertEquals(1, networkConfig.getInterfaces().getInterfaces().size());
   assertEquals("10.10.1.*", networkConfig.getInterfaces().getInterfaces().iterator().next());
   TcpIpConfig tcp = networkConfig.getJoin().getTcpIpConfig();
   assertNotNull(tcp);
   assertTrue(tcp.isEnabled());
   assertTrue(networkConfig.getSymmetricEncryptionConfig().isEnabled());
   final List<String> members = tcp.getMembers();
   assertEquals(members.toString(), 2, members.size());
   assertEquals("127.0.0.1:5700", members.get(0));
   assertEquals("127.0.0.1:5701", members.get(1));
   assertEquals("127.0.0.1:5700", tcp.getRequiredMember());
   AwsConfig aws = networkConfig.getJoin().getAwsConfig();
   assertFalse(aws.isEnabled());
   assertEquals("sample-access-key", aws.getAccessKey());
   assertEquals("sample-secret-key", aws.getSecretKey());
   assertEquals("sample-region", aws.getRegion());
   assertEquals("sample-group", aws.getSecurityGroupName());
   assertEquals("sample-tag-key", aws.getTagKey());
   assertEquals("sample-tag-value", aws.getTagValue());
 }
 private boolean applyFilter(AwsConfig awsConfig, Node node) {
   boolean inGroup =
       applyFilter(node, awsConfig.getSecurityGroupName(), "groupset", "groupname");
   return inGroup && applyTagFilter(node, awsConfig.getTagKey(), awsConfig.getTagValue());
 }