Fix error in Fix of Windows test.

tests/standalone/io/resolve_symbolic_links_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.
 //
 // Dart test program for testing FileSystemEntity.resolveSymbolicLinks
 
 import "package:expect/expect.dart";
 import "package:path/path.dart";
 import "package:async_helper/async_helper.dart";
 import 'dart:async';
@@ skipping 62 matching lines @@
           testLink('.'),
           testDir('..'),
           testLink('..\\link1')]);
       } else {
         return Future.wait([
           testFile('file2'),
           // On non-Windows the link is changed to dir1/dir2 before .. happens.
           testFile('../dir2/file2'),
           testDir('.'),
           testDir('..'),
-          testDir('link1/.'),
           testLink('../../link1')]);
       }
     })
     .whenComplete(() {
       Directory.current = testsDir;
       tempDir.delete(recursive: true);
     });
   }));
 }
 
@@ skipping 45 matching lines @@
     Expect.isTrue(isAbsolute(resolved));
     // Test that resolveSymbolicLinks removes all links, .., and . segments.
     Expect.isFalse(resolved.contains('..'));
     Expect.isFalse(resolved.contains('./'));
     Expect.isFalse(resolved.contains('link1'));
     return new Link(name).target()
         .then((targetName) => FileSystemEntity.identical(targetName, resolved))
         .then((identical) => Expect.isTrue(identical));
   });
 }