Move isolate tests to lib/isolate.

tests/language/typed_message_test.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-// Dart test program for testing isolate communication with
-// typed objects.
-// VMOptions=--checked
-
-library TypedMessageTest;
-import "dart:async";
-import "package:expect/expect.dart";
-import "package:async_helper/async_helper.dart";
-import "dart:isolate";
-
-void logMessages(SendPort replyTo) {
-  print("Starting log server.");
-  ReceivePort port = new ReceivePort();
-  replyTo.send(port.sendPort);
-  port.first.then((List<int> message) {
-    print("Log $message");
-    Expect.equals(5, message.length);
-    Expect.equals(0, message[0]);
-    Expect.equals(1, message[1]);
-    Expect.equals(2, message[2]);
-    Expect.equals(3, message[3]);
-    Expect.equals(4, message[4]);
-    port.close();
-    replyTo.send(1);
-    print("Stopping log server.");
-  });
-}
-
-main() {
-  asyncStart();
-  ReceivePort receivePort = new ReceivePort();
-  Future<Isolate> remote = Isolate.spawn(logMessages, receivePort.sendPort);
-  List<int> msg = new List<int>(5);
-  for (int i = 0; i < 5; i++) {
-    msg[i] = i;
-  }
-  StreamIterator iterator = new StreamIterator(receivePort);
-  iterator.moveNext().then((b) {
-    SendPort sendPort = iterator.current;
-    sendPort.send(msg);
-    return iterator.moveNext();
-  }).then((b) {
-    Expect.equals(1, iterator.current);
-    receivePort.close();
-    asyncEnd();
-  });
-}