Support the latest internal test API.

lib/metatest.dart

Index: lib/metatest.dart
diff --git a/lib/metatest.dart b/lib/metatest.dart
index 656cc2b65af373b0a63d51652f0df53c47d1a6c8..901c84fdfcdc6e828a3d8800a2fb98e67bc3dbe5 100644
--- a/lib/metatest.dart
+++ b/lib/metatest.dart
@@ -15,8 +15,9 @@ import 'dart:async';
 import 'package:test/src/backend/declarer.dart';
 import 'package:test/src/backend/live_test.dart';
 import 'package:test/src/backend/state.dart';
-import 'package:test/src/backend/suite.dart';
 import 'package:test/src/runner/engine.dart';
+import 'package:test/src/runner/runner_suite.dart';
+import 'package:test/src/runner/vm/environment.dart';
 import 'package:test/test.dart';
 
 /// Declares a test with the given [description] and [body].
@@ -70,7 +71,9 @@ void _setUpTest(String description, void body(),
     var declarer = new Declarer();
     runZoned(body, zoneValues: {#test.declarer: declarer});
 
-    var engine = new Engine.withSuites([new Suite(declarer.tests)]);
+    var engine = new Engine.withSuites([
+      new RunnerSuite(new VMEnvironment(), declarer.tests)
+    ]);
     for (var test in engine.liveTests) {
       test.onPrint.listen(print);
     }