=sam Switch to build.sbt in activator templates

akka-samples/akka-sample-cluster-java/tutorial/index.html

@@ -476,6 +476,15 @@ interesting to run them in separate processes. Stop the application in the
 Press ctrl-c in the terminal window of the frontend to stop the factorial calculations.
 </p>
 
+</div>
+<div>
+<h2>Tests</h2>
+
+<p>
+Tests can be found in <a href="#code/src/multi-jvm/scala/sample/cluster" class="shortcut">src/multi-jvm</a>.
+You can run them from the <a href="#test" class="shortcut">Test</a> tab.
+</p>
+
 </div>
 
 </body>