Split unittest tests into separate test files.

pkg/unittest/test/unittest_async_setup_teardown_test.dart

Index: pkg/unittest/test/unittest_async_setup_teardown_test.dart
===================================================================
--- pkg/unittest/test/unittest_async_setup_teardown_test.dart	(revision 0)
+++ pkg/unittest/test/unittest_async_setup_teardown_test.dart	(revision 0)
@@ -0,0 +1,64 @@
+// 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 = 'async setup teardown test';
+
+var testFunction = (_) {
+  group('good setup/good teardown', () {
+    setUp(() {
+      return new Future.value(0);
+    });
+    tearDown(() {
+      return new Future.value(0);
+    });
+    test('foo1', (){});
+  });
+  group('good setup/bad teardown', () {
+    setUp(() {
+      return new Future.value(0);
+    });
+    tearDown(() {
+      return new Future.error("Failed to complete tearDown");
+    });
+    test('foo2', (){});
+  });
+  group('bad setup/good teardown', () {
+    setUp(() {
+      return new Future.error("Failed to complete setUp");
+    });
+    tearDown(() {
+      return new Future.value(0);
+    });
+    test('foo3', (){});
+  });
+  group('bad setup/bad teardown', () {
+    setUp(() {
+      return new Future.error("Failed to complete setUp");
+    });
+    tearDown(() {
+      return new Future.error("Failed to complete tearDown");
+    });
+    test('foo4', (){});
+  });
+  // The next test is just to make sure we make steady progress
+  // through the tests.
+  test('post groups', () {});
+};
+
+var expected = buildStatusString(2, 0, 3,
+    'good setup/good teardown foo1::'
+    'good setup/bad teardown foo2:'
+    'Teardown failed: Caught Failed to complete tearDown:'
+    'bad setup/good teardown foo3:'
+    'Setup failed: Caught Failed to complete setUp:'
+    'bad setup/bad teardown foo4:'
+    'Setup failed: Caught Failed to complete setUp:'
+    'post groups');