@Test
public void testSayHello() {
// Start up the Tuscany runtime with this modules as the contribution
Node node = NodeFactory.newInstance().createNode(new Contribution("c1", "target/classes"));
node.start();
// This contribution is configured to deploy the helloworld.composite file
// automatically. This defines the HelloworldComponent. Get a local proxy to it
// and call the sayHello service operation.
Helloworld helloworld = node.getService(Helloworld.class, "HelloworldComponent");