Get rid of all the library tags.

test/alternative_root_test.dart

 // Copyright (c) 2015, 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 shelf_static.alternative_root_test;
-
 import 'dart:io';
 import 'package:scheduled_test/descriptor.dart' as d;
 import 'package:scheduled_test/scheduled_test.dart';
 
 import 'package:shelf_static/shelf_static.dart';
 import 'test_util.dart';
 
 void main() {
   setUp(() {
     var tempDir;
@@ skipping 74 matching lines @@
     schedule(() {
       var handler = createStaticHandler(d.defaultRoot);
 
       return makeRequest(handler, '/static/not_here.txt', handlerPath: 'static')
           .then((response) {
         expect(response.statusCode, HttpStatus.NOT_FOUND);
       });
     });
   });
 }