Use ".."-style imports in scheduled_test.

pkg/scheduled_test/lib/descriptor.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.
 
 /// A library for declaratively describing a filesystem structure, usually for
 /// the purpose of creating or validating it as part of a scheduled test.
 ///
 /// You can use [dir] and [file] to define a filesystem structure. Then, you can
 /// call [Entry.create] to schedule a task that will create that structure on
 /// the physical filesystem, or [Entry.validate] to schedule an assertion that
@@ skipping 46 matching lines @@
 ///           return tempDir.delete(recursive: true);
 ///         });
 ///       });
 ///
 ///       // ...
 ///     }
 library descriptor;
 
 import 'dart:async';
 
-import 'package:pathos/path.dart' as path;
+import '../../../pkg/pathos/lib/path.dart' as path;
 
 import 'scheduled_test.dart';
 import 'src/descriptor/async.dart';
 import 'src/descriptor/directory.dart';
 import 'src/descriptor/entry.dart';
 import 'src/descriptor/file.dart';
 import 'src/descriptor/nothing.dart';
 
 export 'src/descriptor/async.dart';
 export 'src/descriptor/directory.dart';
@@ skipping 23 matching lines @@
 Directory dir(Pattern name, [Iterable<Entry> contents]) =>
     new Directory(name, contents == null ? <Entry>[] : contents);
 
 /// Creates a new descriptor wrapping a [Future]. This descriptor forwards all
 /// asynchronous operations to the result of [future].
 Async async(Future<Entry> future) => new Async(future);
 
 /// Creates a new [Nothing] descriptor that asserts that no entry named [name]
 /// exists.
 Nothing nothing(Pattern name) => new Nothing(name);