Revert https://code.google.com/p/dart/source/detail?r=33346

pkg/unittest/test/unittest_expect_async_args_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 testName = 'expect async args';
-
-var testFunction = (TestConfiguration testConfig) {
-  List<int> _getArgs([a = 0, b = 0, c = 0, d = 0, e = 0, f = 0]) {
-    testConfig.count++;
-    return [a, b, c, d, e, f];
-  }
-
-  test(testName, () {
-    expect(expectAsync(_getArgs)(), [0, 0, 0, 0, 0, 0]);
-    expect(expectAsync(_getArgs)(5), [5, 0, 0, 0, 0, 0]);
-    expect(expectAsync(_getArgs)(1, 2, 3, 4, 5, 6), [1, 2, 3, 4, 5, 6]);
-  });
-
-  test('invoked with too many args', () {
-    expectAsync(_getArgs)(1, 2, 3, 4, 5, 6, 7);
-  });
-
-  test('created with too many args', () {
-    expectAsync((a1, a2, a3, a4, a5, a6, a7) {
-      testConfig.count++;
-    })();
-  });
-};
-
-final expected = startsWith('1:1:1:3:3:::null:expect async args::'
-    'invoked with too many args:Test failed:');