Increase the default test timeout for scheduled tests on Windows.

pkg/scheduled_test/test/descriptor_test.dart

Index: pkg/scheduled_test/test/descriptor_test.dart
diff --git a/pkg/scheduled_test/test/descriptor_test.dart b/pkg/scheduled_test/test/descriptor_test.dart
index baca328338cd76cb7c010879f92c788c248c49a7..f43e159476f298318a7d5ef2e1923918b533c97d 100644
--- a/pkg/scheduled_test/test/descriptor_test.dart
+++ b/pkg/scheduled_test/test/descriptor_test.dart
@@ -17,6 +17,12 @@ import 'utils.dart';
 String sandbox;
 
 void main() {
+  metaSetUp(() {
+    // The windows bots are very slow, so we increase the default timeout.
+    if (Platform.operatingSystem != "windows") return;
+    currentSchedule.timeout = new Duration(seconds: 10);

[Bob Nystrom, 2013/03/29 21:08:31]

How about applying a multiplier to the previous timeout? That way if we ever
change the default timeout, the Windows-specific timeouts will adjust
accordingly.

[nweiz, 2013/03/29 21:38:32]

In this case, we are the user.

+  });
+
   expectTestsPass('file().create() creates a file', () {
     test('test', () {
       scheduleSandbox();