Fix ALL the pub tests.

pkg/http/test/client_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 client_test;
 
 import 'dart:io';
+import 'dart:uri';
 
 import 'package:unittest/unittest.dart';
 import 'package:http/http.dart' as http;
 import 'package:http/src/utils.dart';
 import 'utils.dart';
 
 void main() {
   setUp(startServer);
   tearDown(stopServer);
 
@@ skipping 13 matching lines @@
       'headers': {
         'content-type': ['application/json; charset=utf-8'],
         'transfer-encoding': ['chunked']
       },
       'body': '{"hello": "world"}'
     }))));
 
     request.sink.add('{"hello": "world"}'.charCodes);
     request.sink.close();
   });
+
+  test('#send with an invalid URL', () {
+    var client = new http.Client();
+    var url = new Uri.fromString('http://http.invalid');
+    var request = new http.StreamedRequest("POST", url);
+    request.headers[HttpHeaders.CONTENT_TYPE] =
+      'application/json; charset=utf-8';
+
+    expect(client.send(request), throwsSocketIOException);
+
+    request.sink.add('{"hello": "world"}'.charCodes);
+    request.sink.close();
+  });
 }