Get rid of all the library tags.

test/get_handler_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.get_handler_test;
-
 import 'dart:io';
 import 'package:path/path.dart' as p;
 import 'package:scheduled_test/descriptor.dart' as d;
 import 'package:scheduled_test/scheduled_test.dart';
 
 import 'package:shelf_static/shelf_static.dart';
 
 void main() {
   setUp(() {
     var tempDir;
@@ skipping 38 matching lines @@
           () => createStaticHandler(nonExistingAbsolute), throwsArgumentError);
     });
   });
 
   test('existing absolute path', () {
     schedule(() {
       expect(() => createStaticHandler(d.defaultRoot), returnsNormally);
     });
   });
 }