Merge pull request #910 from akka/wip-docs-∂π

Wip docs ∂π

akka-docs/rst/java/code/docs/serialization/SerializationDocTestBase.java

@@ -138,12 +138,7 @@ public class SerializationDocTestBase {
     }
 
     public Address getAddress() {
-      final ActorRefProvider provider = system.provider();
-      if (provider instanceof RemoteActorRefProvider) {
-        return ((RemoteActorRefProvider) provider).transport().address();
-      } else {
-        throw new UnsupportedOperationException("need RemoteActorRefProvider");
-      }
+      return system.provider().getDefaultAddress();
     }
   }