Improve Getting Started Guide Part 3 for writing a first Actor test #25193

akka-docs/src/main/paradox/guide/tutorial_1.md

@@ -37,7 +37,7 @@ We create child, or non-top-level, actors by invoking `context.actorOf()` from a
 The easiest way to see the actor hierarchy in action is to print `ActorRef` instances. In this small experiment, we create an actor, print its reference, create a child of this actor, and print the child's reference. We start with the Hello World project, if you have not downloaded it, download the Quickstart project from the @scala[[Lightbend Tech Hub](http://developer.lightbend.com/start/?group=akka&project=akka-quickstart-scala)]@java[[Lightbend Tech Hub](http://developer.lightbend.com/start/?group=akka&project=akka-quickstart-java)].
 
 
-In your Hello World project, navigate to the `com.lightbend.akka.sample` package and create a new @scala[Scala file called `ActorHierarchyExperiments.scala`]@java[Java file called `ActorHierarchyExperiments.java`] here. Copy and paste the code from the snippet below to this new source file. Save your file and run `sbt "runMain com.lightbend.akka.sample.ActorHierarchyExperiments"` to observe the output.
+In your Hello World project, navigate to the `com.example` package and create a new @scala[Scala file called `ActorHierarchyExperiments.scala`]@java[Java file called `ActorHierarchyExperiments.java`] here. Copy and paste the code from the snippet below to this new source file. Save your file and run `sbt "runMain com.example.ActorHierarchyExperiments"` to observe the output.
 
 Scala
 :   @@snip [ActorHierarchyExperiments.scala](/akka-docs/src/test/scala/tutorial_1/ActorHierarchyExperiments.scala) { #print-refs }

akka-docs/src/main/paradox/guide/tutorial_2.md

@@ -20,7 +20,7 @@ represent devices and dashboards at the top level. Instead, we recommend creatin
 
 We can define the first actor, the IotSupervisor, with a few simple lines of code. To start your tutorial application:
 
-1. Create a new `IotSupervisor` source file in the `com.lightbend.akka.sample` package.
+1. Create a new `IotSupervisor` source file in your appropriate package, e.g. in the `com.example` package
 1. Paste the following code into the new file to define the IotSupervisor.
 
 Scala

akka-docs/src/main/paradox/guide/tutorial_3.md

@@ -146,8 +146,11 @@ Note in the code that:
 
 ## Testing the actor
 
-Based on the simple actor above, we could write a simple test. In the `com.lightbend.akka.sample` package in the test tree of your project, add the following code to a @scala[`DeviceSpec.scala`]@java[`DeviceTest.java`] file.
-@scala[(We use ScalaTest but any other test framework can be used with the Akka Testkit)].
+Based on the simple actor above, we could write a simple test. You can check a full example of an Actor test in the Quickstart guide here @scala[[Quickstart Guide Testing example](https://developer.lightbend.com/guides/akka-quickstart-scala/testing-actors.html)] @java[[Quickstart Guide Testing example](https://developer.lightbend.com/guides/akka-quickstart-java/testing-actors.html)].
+You'll find there an example on how you can fully setup an Actor test, so that you can run it properly.
+
+In the test tree of your project, add the following code to a @scala[`DeviceSpec.scala`]@java[`DeviceTest.java`] file.
+@scala[(We use [ScalaTest](http://www.scalatest.org) but any other testing framework can be used with the Akka Testkit)].
 
 You can run this test @java[by running `mvn test` or] by running `test` at the sbt prompt.
 

akka-docs/src/test/java/jdocs/tutorial_1/ActorHierarchyExperiments.java

@@ -3,7 +3,7 @@
  */
 
 //#print-refs
-package com.lightbend.akka.sample;
+package com.example;
 
 //#print-refs
 

akka-docs/src/test/java/jdocs/tutorial_2/IotMain.java

@@ -3,7 +3,7 @@
  */
 
 //#iot-app
-package com.lightbend.akka.sample;
+package com.example;
 
 import java.io.IOException;
 

akka-docs/src/test/java/jdocs/tutorial_2/IotSupervisor.java

@@ -3,7 +3,7 @@
  */
 
 //#iot-supervisor
-package com.lightbend.akka.sample;
+package com.example;
 
 import akka.actor.AbstractActor;
 import akka.actor.ActorLogging;

akka-docs/src/test/scala/tutorial_1/ActorHierarchyExperiments.scala

@@ -6,7 +6,7 @@
 package docs.tutorial_1
 
 //#print-refs
-package com.lightbend.akka.sample
+package com.example
 
 import akka.actor.{ Actor, Props, ActorSystem }
 import scala.io.StdIn

akka-docs/src/test/scala/tutorial_2/IotApp.scala

@@ -5,7 +5,7 @@
 package tutorial_2
 
 //#iot-app
-package com.lightbend.akka.sample
+package com.example
 
 import akka.actor.ActorSystem
 import scala.io.StdIn

akka-docs/src/test/scala/tutorial_2/IotSupervisor.scala

@@ -5,7 +5,7 @@
 package tutorial_2
 
 //#iot-supervisor
-package com.lightbend.akka.sample
+package com.example
 
 import akka.actor.{ Actor, ActorLogging, Props }