pkg/unittest: renamed new test, marked as failing on dartium due to issue 13921

pkg/unittest/test/unittest_async_exception2_test.dart

-// Copyright (c) 2013, 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;
-import 'dart:isolate';
-import 'dart:async';
-import 'package:unittest/unittest.dart';
-
-part 'unittest_test_utils.dart';
-
-var testFunction = (_) {
-  test('protectAsync0', () {
-    var protected = protectAsync0(() {
-      throw new StateError('error during protectAsync0');
-    });
-    new Future(protected);
-  });
-
-  test('protectAsync1', () {
-    var protected = protectAsync1((arg) {
-      throw new StateError('error during protectAsync1: $arg');
-    });
-    new Future(() => protected('one arg'));
-  });
-
-  test('protectAsync2', () {
-    var protected = protectAsync2((arg1, arg2) {
-      throw new StateError('error during protectAsync2: $arg1, $arg2');
-    });
-    new Future(() => protected('arg1', 'arg2'));
-  });
-
-  test('throw away 1', () {
-    return new Future(() {});
-  });
-};
-
-var expected = '1:0:3:4:0:::null:'
-  'protectAsync0:Callback called (1) after test case protectAsync0 has already been marked as pass.:'
-  'protectAsync1:Callback called (1) after test case protectAsync1 has already been marked as pass.:'
-  'protectAsync2:Callback called (1) after test case protectAsync2 has already been marked as pass.:'
-  'throw away 1:';