Use filtered stacks in pub, barback, and watcher tests.

pkg/scheduled_test/lib/scheduled_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.
 
 // TODO(nweiz): Add support for calling [schedule] while the schedule is already
 // running.
 // TODO(nweiz): Port the non-Pub-specific scheduled test libraries from Pub.
 /// A package for writing readable tests of asynchronous behavior.
 ///
 /// ## Installing ##
@@ skipping 178 matching lines @@
 /// [pkg]: http://pub.dartlang.org/packages/scheduled_test
 library scheduled_test;
 
 import 'dart:async';
 
 import 'package:unittest/unittest.dart' as unittest;
 
 import 'src/schedule.dart';
 import 'src/schedule_error.dart';
 
-export 'package:unittest/matcher.dart' hide completes, completion;
-export 'package:unittest/unittest.dart' show
-    Configuration, logMessage, expectThrow;
+export 'package:unittest/unittest.dart' hide
+    test, solo_test, group, setUp, tearDown, unittestConfiguration,
+    currentTestCase, completes, completion;
 
 export 'src/schedule.dart';
 export 'src/schedule_error.dart';
 export 'src/scheduled_future_matchers.dart';
 export 'src/task.dart';
 
 /// The [Schedule] for the current test. This is used to add new tasks and
 /// inspect the state of the schedule.
 ///
 /// This is `null` when there's no test currently running.
@@ skipping 164 matching lines @@
 
   return currentSchedule.wrapFuture(future, description);
 }
 
 // TODO(nweiz): re-export these once issue 9535 is fixed.
 unittest.Configuration get unittestConfiguration =>
   unittest.unittestConfiguration;
 void set unittestConfiguration(unittest.Configuration value) {
   unittest.unittestConfiguration = value;
 }
+
+// TODO(nweiz): re-export these once issue 9535 is fixed.
+unittest.TestCase get currentTestCase => unittest.currentTestCase;