Fix the build breakages caused by r19742.

pkg/scheduled_test/lib/src/schedule.dart

 // Copyright (c) 2013, 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 schedule;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:unittest/unittest.dart' as unittest;
@@ skipping 77 matching lines @@
   /// to 30 seconds. This can be set to `null` to disable timeouts entirely.
   ///
   /// If a task queue times out, an error will be raised that can be handled as
   /// usual in the [onException] and [onComplete] queues. If [onException] times
   /// out, that can only be handled in [onComplete]; if [onComplete] times out,
   /// that cannot be handled.
   ///
   /// If a task times out and then later completes with an error, that error
   /// cannot be handled. The user will still be notified of it.
   Duration get timeout => _timeout;
-  Duration _timeout = new Duration(seconds: 2);
+  Duration _timeout = new Duration(seconds: 30);
   set timeout(Duration duration) {
     _timeout = duration;
     heartbeat();
   }
 
   /// The number of out-of-band callbacks that have been registered with
   /// [wrapAsync] but have yet to be called.
   int _pendingCallbacks = 0;
 
   /// A completer that will be completed once [_pendingCallbacks] reaches zero.
@@ skipping 408 matching lines @@
     return _contents.map((task) {
       var lines = task.toString().split("\n");
       var firstLine = task == highlight ?
           "> ${lines.first}" : "* ${lines.first}";
       lines = new List.from(lines.skip(1).map((line) => "| $line"));
       lines.insertRange(0, 1, firstLine);
       return lines.join("\n");
     }).join("\n");
   }
 }