Fix some dumb test-breaking errors.

pkg/scheduled_test/test/descriptor_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 descriptor_test;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:pathos/path.dart' as path;
@@ skipping 714 matching lines @@
   expectTestsPass("directory().load() fails to load a nested directory", () {
     test('test', () {
       var dir = d.dir('dir', [
         d.dir('subdir', [
           d.file('name.txt', 'subcontents')
         ]),
         d.file('name.txt', 'contents')
       ]);
 
       expect(dir.load('subdir').toList(),
-          throwsA(equals("Can't load the contents of 'subdir': is a "
+          throwsA(equals("Can't read the contents of 'subdir': is a "
               "directory.")));
     });
   });
 
   expectTestsPass("directory().load() fails to load an absolute path", () {
     test('test', () {
       var dir = d.dir('dir', [d.file('name.txt', 'contents')]);
 
       expect(dir.load('/name.txt').toList(),
           throwsA(equals("Can't load absolute path '/name.txt'.")));
@@ skipping 136 matching lines @@
 
 Future<List<int>> byteStreamToList(Stream<List<int>> stream) {
   return stream.reduce(<int>[], (buffer, chunk) {
     buffer.addAll(chunk);
     return buffer;
   });
 }
 
 Future<String> byteStreamToString(Stream<List<int>> stream) =>
   byteStreamToList(stream).then((bytes) => new String.fromCharCodes(bytes));