Increase the default test timeout for scheduled tests on Windows.

pkg/scheduled_test/test/metatest.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.
 
 /// A test library for testing test libraries? We must go deeper.
 ///
 /// Since unit testing code tends to use a lot of global state, it can be tough
 /// to test. This library manages it by running each test case in a child
 /// isolate, then reporting the results back to the parent isolate.
 library metatest;
 
 import 'dart:io';
 import 'dart:async';
 import 'dart:isolate';
 
 import 'package:pathos/path.dart' as path;
 import 'package:unittest/unittest.dart';
+import 'package:scheduled_test/scheduled_test.dart' as scheduled_test;
 
 import 'utils.dart';
 
 // TODO(nweiz): get rid of this once issue 8863 is fixed.
 /// The path to the Dart executable. This is only set in a child isolate.
 String get dartExecutable => _executable;
 String _executable;
 
 /// Declares a test with the given [description] and [body]. [body] corresponds
 /// to the `main` method of a test file, and will be run in an isolate. By
@@ skipping 36 matching lines @@
     if (_hasError(results)) {
       throw 'Expected all tests to fail, but got error(s):\n'
           '${_summarizeTests(results)}';
     } else if (results['passed'] != 0) {
       throw 'Expected all tests to fail, but some passed:\n'
           '${_summarizeTests(results)}';
     }
   });
 }
 
+/// Runs [setUpFn] before every metatest. Note that [setUpFn] will be
+/// overwritten if the test itself calls [setUp].
+void metaSetUp(void setUpFn()) {
+  _inChildIsolate.then((inIsolate) {
+    if (inIsolate) scheduled_test.setUp(setUpFn);
+  });
+}
+
 /// Sets up a test with the given [description] and [body]. After the test runs,
 /// calls [validate] with the result map.
 void _setUpTest(String description, void body(), void validate(Map)) {
   _inChildIsolate.then((inIsolate) {
     if (inIsolate) {
       _ensureInitialized();
       if (_testToRun == description) body();
     } else {
       test(description, () {
         expect(_runInIsolate(description).then(validate), completes);
@@ skipping 124 matching lines @@
         "message": testCase.message,
         "result": testCase.result,
         "stackTrace": testCase.stackTrace
       }).toList()
     });
   }
 
   void onInit() {}
   void onDone(bool success) {}
 }