pkg/unittest: test cleanup

pkg/unittest/test/unittest_nested_groups_setup_teardown_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 = 'nested groups setup/teardown';
-
-var testFunction = (_) {
-  StringBuffer s = new StringBuffer();
-  group('level 1', () {
-    setUp(makeDelayedSetup(1, s));
-    group('level 2', () {
-      setUp(makeImmediateSetup(2, s));
-      tearDown(makeDelayedTeardown(2, s));
-      group('level 3', () {
-        group('level 4', () {
-          setUp(makeDelayedSetup(4, s));
-          tearDown(makeImmediateTeardown(4, s));
-          group('level 5', () {
-            setUp(makeImmediateSetup(5, s));
-            group('level 6', () {
-              tearDown(makeDelayedTeardown(6, s));
-              test('inner', () {});
-            });
-          });
-        });
-      });
-    });
-  });
-  test('after nest', () {
-    expect(s.toString(), "l1 U l2 U l4 U l5 U l6 D l4 D l2 D ");
-  });
-};
-
-var expected = buildStatusString(2, 0, 0,
-    'level 1 level 2 level 3 level 4 level 5 level 6 inner::'
-    'after nest');