Get rid of all the library tags.

test/io/multipart_test.dart

 // Copyright (c) 2014, 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 http.test.io.multipart_test;
-
 import 'dart:async';
 import 'dart:io';
 
 import 'package:http/http.dart' as http;
 import 'package:path/path.dart' as path;
 import 'package:unittest/unittest.dart';
 
 import 'utils.dart';
 
 void main() {
@@ skipping 17 matching lines @@
         --{{boundary}}
         content-type: application/octet-stream
         content-disposition: form-data; name="file"; filename="test-file"
 
         hello
         --{{boundary}}--
       '''));
     }), completes);
   });
 }