Sharing metatest logic between unittest and scheduled_test

pkg/unittest/test/async_exception_with_future_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library unittestTest;
+library unittest.async_exception_with_future_test;
 
 import 'dart:async';
-import 'dart:isolate';
 
+import 'package:metatest/metatest.dart';
 import 'package:unittest/unittest.dart';
 
-part 'utils.dart';
+void main() => initTests(_test);
 
-var testName = 'async exception with future test';
+void _test(message) {
+  initMetatest(message);
 
-var testFunction = (TestConfiguration testConfig) {
-  tearDown(() { testConfig.teardown = 'teardown'; });
-  test(testName, () {
-    // The "throw" statement below should terminate the test immediately.
-    // The framework should not wait for the future to complete.
-    // tearDown should still execute.
-    _defer(() { throw "error!"; });
-    return new Completer().future;
-  });
-};
+  expectTestResults('async exception with future test', () {
+    var tearDownHappened = false;
 
-final expected = buildStatusString(0, 1, 0, testName,
-    message: 'Caught error!', teardown: 'teardown');
+    tearDown(() {
+      tearDownHappened = true;
+    });
+
+    test('test', () {
+      expect(tearDownHappened, isFalse);
+      // The "throw" statement below should terminate the test immediately.
+      // The framework should not wait for the future to complete.
+      // tearDown should still execute.
+      new Future.sync(() {
+        throw "error!";
+      });
+      return new Completer().future;
+    });
+
+    test('follow up', () {
+      expect(tearDownHappened, isTrue);
+    });
+
+  }, [{
+    'description': 'test',
+    'message': 'Caught error!',
+    'result': 'fail',
+  }, {
+    'description': 'follow up',
+    'result': 'pass',
+  }]);
+}