Sharing metatest logic between unittest and scheduled_test

pkg/scheduled_test/test/scheduled_test/set_up_test.dart

Index: pkg/scheduled_test/test/scheduled_test/set_up_test.dart
diff --git a/pkg/scheduled_test/test/scheduled_test/set_up_test.dart b/pkg/scheduled_test/test/scheduled_test/set_up_test.dart
index 2ebf35c88c4d3a4b8d88d17ae91e88dc10653629..d940a216fac321d5b842c55b0fb4f9aae68fd402 100644
--- a/pkg/scheduled_test/test/scheduled_test/set_up_test.dart
+++ b/pkg/scheduled_test/test/scheduled_test/set_up_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();