Sharing metatest logic between unittest and scheduled_test

pkg/scheduled_test/test/descriptor/pattern_test.dart

Index: pkg/scheduled_test/test/descriptor/pattern_test.dart
diff --git a/pkg/scheduled_test/test/descriptor/pattern_test.dart b/pkg/scheduled_test/test/descriptor/pattern_test.dart
index 9b92ad27a0b240dff2c75e094888311158e43676..bf55e2a76cab316ccdaafbdb18460d4b2c0dea0d 100644
--- a/pkg/scheduled_test/test/descriptor/pattern_test.dart
+++ b/pkg/scheduled_test/test/descriptor/pattern_test.dart
@@ -5,12 +5,14 @@
 import 'package:scheduled_test/descriptor.dart' as d;
 import 'package:scheduled_test/scheduled_test.dart';
 
-import '../metatest.dart';
+import 'package:metatest/metatest.dart';
 import 'utils.dart';
 
 String sandbox;
 
-void main(_, message) {
+void main() => initTests(_test);
+
+void _test(message) {
   initMetatest(message);
 
   setUpTimeout();