@Test
 public void testUpdatedNull() throws Exception {
   final NetconfConfiguration config = NetconfConfiguration.getInstance();
   Assert.assertEquals(new InetSocketAddress("0.0.0.0", 1830), config.getSshServerAddress());
   Assert.assertEquals(new InetSocketAddress("127.0.0.1", 8383), config.getTcpServerAddress());
   Assert.assertEquals("./configuration/RSA.pk", config.getPrivateKeyPath());
   final Dictionary<String, String> nullDictionary = null;
   config.updated(nullDictionary);
   Assert.assertEquals(new InetSocketAddress("0.0.0.0", 1830), config.getSshServerAddress());
   Assert.assertEquals(new InetSocketAddress("127.0.0.1", 8383), config.getTcpServerAddress());
   Assert.assertEquals("./configuration/RSA.pk", config.getPrivateKeyPath());
 }
 @Test
 public void testUpdated() throws Exception {
   final NetconfConfiguration config = NetconfConfiguration.getInstance();
   Assert.assertEquals(new InetSocketAddress("0.0.0.0", 1830), config.getSshServerAddress());
   Assert.assertEquals(new InetSocketAddress("127.0.0.1", 8383), config.getTcpServerAddress());
   Assert.assertEquals("./configuration/RSA.pk", config.getPrivateKeyPath());
   final Dictionary<String, String> newValues = new Hashtable<>();
   final String newSshIp = "192.168.1.1";
   final String newTcpIp = "192.168.1.2";
   final int newSshPort = 1234;
   final int newTcpPort = 4567;
   final String newSshKeyPath = "./new_folder/configuration/RSA.pk";
   newValues.put("ssh-address", newSshIp);
   newValues.put("ssh-port", Integer.toString(newSshPort));
   newValues.put("tcp-address", newTcpIp);
   newValues.put("tcp-port", Integer.toString(newTcpPort));
   newValues.put("ssh-pk-path", newSshKeyPath);
   config.updated(newValues);
   Assert.assertEquals(new InetSocketAddress(newSshIp, newSshPort), config.getSshServerAddress());
   Assert.assertEquals(new InetSocketAddress(newTcpIp, newTcpPort), config.getTcpServerAddress());
   Assert.assertEquals(newSshKeyPath, config.getPrivateKeyPath());
 }