Sharing metatest logic between unittest and scheduled_test

pkg/scheduled_test/test/descriptor/async_test.dart

Index: pkg/scheduled_test/test/descriptor/async_test.dart
diff --git a/pkg/scheduled_test/test/descriptor/async_test.dart b/pkg/scheduled_test/test/descriptor/async_test.dart
index 8c1f80c75fde8cb9d374e45975df847f08b5497a..8f15910a59aedc8d66ee03f42ec3ea858143dad6 100644
--- a/pkg/scheduled_test/test/descriptor/async_test.dart
+++ b/pkg/scheduled_test/test/descriptor/async_test.dart
@@ -2,13 +2,15 @@
 // 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.
 
+import 'package:metatest/metatest.dart';
 import 'package:scheduled_test/descriptor.dart' as d;
 import 'package:scheduled_test/scheduled_test.dart';
 
-import '../metatest.dart';
 import 'utils.dart';
 
-void main(_, message) {
+void main() => initTests(_test);
+
+void _test(message) {
   initMetatest(message);
 
   setUpTimeout();