move code to src/test

* so that it compiles and tests pass
* fix some additional snip references in getting started

akka-docs/src/main/java/jdocs/camel/OnRouteResponseTestBase.java

@@ -1,23 +0,0 @@
-package jdocs.camel;
-
-import akka.actor.*;
-import akka.testkit.javadsl.TestKit;
-
-public class OnRouteResponseTestBase {
-
-  public void onRouteResponse(){
-    //#RouteResponse
-    ActorSystem system = ActorSystem.create("some-system");
-    Props receiverProps = Props.create(ResponseReceiver.class);
-    final ActorRef receiver = system.actorOf(receiverProps,"responseReceiver");
-    ActorRef forwardResponse = system.actorOf(Props.create(
-        Forwarder.class, "http://localhost:8080/news/akka", receiver));
-    // the Forwarder sends out a request to the web page and forwards the response to
-    // the ResponseReceiver
-    forwardResponse.tell("some request", ActorRef.noSender());
-    //#RouteResponse
-    system.stop(receiver);
-    system.stop(forwardResponse);
-    TestKit.shutdownActorSystem(system);
-  }
-}