Sharing metatest logic between unittest and scheduled_test

pkg/scheduled_test/test/scheduled_test/on_complete_test.dart

Index: pkg/scheduled_test/test/scheduled_test/on_complete_test.dart
diff --git a/pkg/scheduled_test/test/scheduled_test/on_complete_test.dart b/pkg/scheduled_test/test/scheduled_test/on_complete_test.dart
index 471501059cb459010bd8a9b408a56de401184c2a..6e6b78276e95dd1eeb55735e62f9505518e1417f 100644
--- a/pkg/scheduled_test/test/scheduled_test/on_complete_test.dart
+++ b/pkg/scheduled_test/test/scheduled_test/on_complete_test.dart
@@ -4,10 +4,12 @@
 
 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();