Fix a few bugs breaking the pub tests.

utils/tests/pub/io_test.dart

 // Copyright (c) 2012, 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 io_test;
 
 import 'dart:io';
 
 import 'package:pathos/path.dart' as path;
 import 'package:unittest/unittest.dart';
@@ skipping 53 matching lines @@
     });
 
     test('includes hidden files when told to', () {
       expect(withTempDir((temp) {
         writeTextFile(path.join(temp, 'file1.txt'), '');
         writeTextFile(path.join(temp, 'file2.txt'), '');
         writeTextFile(path.join(temp, '.file3.txt'), '');
         createDir(path.join(temp, '.subdir'));
         writeTextFile(path.join(temp, '.subdir', 'file3.txt'), '');
 
-        expect(listDir(temp, recursive: true, includeHiddenFiles: true),
+        expect(listDir(temp, recursive: true, includeHidden: true),
             unorderedEquals([
           path.join(temp, 'file1.txt'),
           path.join(temp, 'file2.txt'),
           path.join(temp, '.file3.txt'),
           path.join(temp, '.subdir'),
           path.join(temp, '.subdir', 'file3.txt')
         ]));
       }), completes);
     });
 
@@ skipping 186 matching lines @@
           var symlink2Path = path.join(temp, "link2.txt");
           writeTextFile(targetPath, "contents");
           createSymlink(targetPath, symlink1Path);
           createSymlink(symlink1Path, symlink2Path);
           expect(predicate(symlink2Path), equals(forMultiLevelFileSymlink));
         }), completes);
       });
     }
   });
 }