Don't test links on windows, for http_server.

pkg/http_server/test/virtual_directory_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.
 
 import 'dart:async';
 import 'dart:io';
 
 import "package:unittest/unittest.dart";
 import "package:http_server/http_server.dart";
 
@@ skipping 153 matching lines @@
           virDir.serve(server);
 
           return getAsString(server.port, '/')
           .whenComplete(() {
             server.close();
             dir.deleteSync(recursive: true);
           });
         }), completion(contains('Index of /')));
       });
 
-      test('recursive-link', () {
-        expect(HttpServer.bind('localhost', 0).then((server) {
-          var dir = new Directory('').createTempSync();
-          var link = new Link('${dir.path}/recursive')..createSync('.');
-          var virDir = new VirtualDirectory(dir.path);
-          virDir.allowDirectoryListing = true;
+      if (!Platform.isWindows) {
+        test('recursive-link', () {
+          expect(HttpServer.bind('localhost', 0).then((server) {
+            var dir = new Directory('').createTempSync();
+            var link = new Link('${dir.path}/recursive')..createSync('.');
+            var virDir = new VirtualDirectory(dir.path);
+            virDir.allowDirectoryListing = true;
 
-          virDir.serve(server);
+            virDir.serve(server);
 
-          return Future.wait([
-              getAsString(server.port, '/').then(
-                  (s) => s.contains('recursive/')),
-              getAsString(server.port, '/').then(
-                  (s) => !s.contains('../')),
-              getAsString(server.port, '/').then(
-                  (s) => s.contains('Index of /')),
-              getAsString(server.port, '/recursive').then(
-                  (s) => s.contains('recursive/')),
-              getAsString(server.port, '/recursive').then(
-                  (s) => s.contains('../')),
-              getAsString(server.port, '/recursive').then(
-                  (s) => s.contains('Index of /recursive'))])
-              .whenComplete(() {
-                server.close();
-                dir.deleteSync(recursive: true);
-              });
-        }), completion(equals([true, true, true, true, true, true])));
-      });
+            return Future.wait([
+                getAsString(server.port, '/').then(
+                    (s) => s.contains('recursive/')),
+                getAsString(server.port, '/').then(
+                    (s) => !s.contains('../')),
+                getAsString(server.port, '/').then(
+                    (s) => s.contains('Index of /')),
+                getAsString(server.port, '/recursive').then(
+                    (s) => s.contains('recursive/')),
+                getAsString(server.port, '/recursive').then(
+                    (s) => s.contains('../')),
+                getAsString(server.port, '/recursive').then(
+                    (s) => s.contains('Index of /recursive'))])
+                .whenComplete(() {
+                  server.close();
+                  dir.deleteSync(recursive: true);
+                });
+          }), completion(equals([true, true, true, true, true, true])));
+        });
+      }
     });
 
     group('custom', () {
       test('simple', () {
         expect(HttpServer.bind('localhost', 0).then((server) {
           var dir = new Directory('').createTempSync();
           var virDir = new VirtualDirectory(dir.path);
           virDir.allowDirectoryListing = true;
           virDir.setDirectoryHandler((dir2, request) {
             expect(dir2, isNotNull);
@@ skipping 257 matching lines @@
 
         return getAsString(server.port, '/')
             .whenComplete(() {
               server.close();
             });
       }), completion(equals('my-page 404')));
     });
   });
 }