Move more files around.

lib/src/runner/isolate_test.dart

-// Copyright (c) 2015, 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.
-
-library unittest.runner.isolate_test;
-
-import 'dart:isolate';
-
-import '../backend/live_test.dart';
-import '../backend/live_test_controller.dart';
-import '../backend/state.dart';
-import '../backend/suite.dart';
-import '../backend/test.dart';
-import '../util/remote_exception.dart';
-
-/// A test in another isolate.
-class IsolateTest implements Test {
-  final String name;
-
-  /// The port on which to communicate with the remote test.
-  final SendPort _sendPort;
-
-  IsolateTest(this.name, this._sendPort);
-
-  /// Loads a single runnable instance of this test.
-  LiveTest load(Suite suite) {
-    var receivePort;
-    var controller;
-    controller = new LiveTestController(suite, this, () {
-      controller.setState(const State(Status.running, Result.success));
-
-      receivePort = new ReceivePort();
-      _sendPort.send({
-        'command': 'run',
-        'reply': receivePort.sendPort
-      });
-
-      receivePort.listen((message) {
-        if (message['type'] == 'error') {
-          var asyncError = RemoteException.deserialize(message['error']);
-          controller.addError(asyncError.error, asyncError.stackTrace);
-        } else if (message['type'] == 'state-change') {
-          controller.setState(
-              new State(
-                  new Status.parse(message['status']),
-                  new Result.parse(message['result'])));
-        } else {
-          assert(message['type'] == 'complete');
-          controller.completer.complete();
-        }
-      });
-    }, onClose: () {
-      if (receivePort != null) receivePort.close();
-    });
-    return controller.liveTest;
-  }
-}