+act #15284 Add throws TimeoutException to Inbox.receive

(cherry picked from commit ab19cc8a527f1a01a8180c2b199affcb47e5b1d2)

akka-docs/rst/java/code/docs/actor/InboxDocTest.java

@@ -38,7 +38,11 @@ public class InboxDocTest {
     probe.expectMsgEquals("hello");
     probe.send(probe.getLastSender(), "world");
     //#inbox
-    assert inbox.receive(Duration.create(1, TimeUnit.SECONDS)).equals("world");
+    try {
+      assert inbox.receive(Duration.create(1, TimeUnit.SECONDS)).equals("world");
+    } catch (java.util.concurrent.TimeoutException e) {
+      // timeout
+    }
     //#inbox
   }
   
@@ -50,7 +54,11 @@ public class InboxDocTest {
     final Inbox inbox = Inbox.create(system);
     inbox.watch(target);
     target.tell(PoisonPill.getInstance(), ActorRef.noSender());
-    assert inbox.receive(Duration.create(1, TimeUnit.SECONDS)) instanceof Terminated;
+    try {
+      assert inbox.receive(Duration.create(1, TimeUnit.SECONDS)) instanceof Terminated;
+    } catch (java.util.concurrent.TimeoutException e) {
+      // timeout
+    }
     //#watch
   }