Sharing metatest logic between unittest and scheduled_test

pkg/scheduled_test/test/scheduled_test/simple_test.dart

Index: pkg/scheduled_test/test/scheduled_test/simple_test.dart
diff --git a/pkg/scheduled_test/test/scheduled_test/simple_test.dart b/pkg/scheduled_test/test/scheduled_test/simple_test.dart
index 6626526001574b691264b41426f362f157a804c8..3042b5e315efe4dab170c3c5e8c89c76694d1cc7 100644
--- a/pkg/scheduled_test/test/scheduled_test/simple_test.dart
+++ b/pkg/scheduled_test/test/scheduled_test/simple_test.dart
@@ -6,10 +6,12 @@ import 'dart:async';
 
 import 'package:scheduled_test/scheduled_test.dart';
 
-import '../metatest.dart';
+import 'package:metatest/metatest.dart';
 import '../utils.dart';
 
-void main(_, message) {
+void main() => initTests(_test);
+
+void _test(message) {
   initMetatest(message);
 
   setUpTimeout();