Support the latest internal test API.

Closes dart-lang/scheduled_test#21

R=kevmoo@google.com

Review URL: https://codereview.chromium.org//1313383004 .
diff --git a/.gitignore b/.gitignore
index 388eff0..7dbf035 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 .pub/
 build/
 packages
+.packages
 
 # Or the files created by dart2js.
 *.dart.js
diff --git a/lib/metatest.dart b/lib/metatest.dart
index 656cc2b..901c84f 100644
--- a/lib/metatest.dart
+++ b/lib/metatest.dart
@@ -15,8 +15,9 @@
 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 @@
     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);
     }
diff --git a/pubspec.yaml b/pubspec.yaml
index 52ce695..5eb0937 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,9 +1,9 @@
 name: metatest
-version: 0.2.1
+version: 0.2.2
 author: Dart Team <misc@dartlang.org>
 description: A package for testing Dart test frameworks.
 homepage: https://github.com/dart-lang/metatest
 environment:
   sdk: '>=1.8.0 <2.0.0'
 dependencies:
-  test: '>=0.12.3+3 <0.13.0'
+  test: '^0.12.4'