Get rid of all the library tags.

test/version_range_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 pub_semver.test.version_range_test;
-
 import 'package:test/test.dart';
 
 import 'package:pub_semver/pub_semver.dart';
 
 import 'utils.dart';
 
 main() {
   group('constructor', () {
     test('takes a min and max', () {
       var range = new VersionRange(min: v123, max: v124);
@@ skipping 424 matching lines @@
       expect(result, equals(new VersionRange(
           min: v003, max: v114, includeMin: true, includeMax: true)));
     });
   });
 
   test('isEmpty', () {
     expect(new VersionRange().isEmpty, isFalse);
     expect(new VersionRange(min: v123, max: v124).isEmpty, isFalse);
   });
 }