private void testNode(Node node) {
node.start();
HelloWorld hw = node.getService(HelloWorld.class, "HelloWorld");
Assert.assertEquals("Hello, Node", hw.hello("Node"));
hw = node.getService(HelloWorld.class, null);
Assert.assertEquals("Hello, Node", hw.hello("Node"));
String address = node.getEndpointAddress("HelloWorld");
Assert.assertNotNull(address);
address = node.getEndpointAddress("HelloWorld/HelloWorld");
Assert.assertNotNull(address);
address = node.getEndpointAddress("HelloWorld/HelloWorld/HelloWorld");