Reverting 9767.

utils/tests/pub/lock_file_test.dart

 // Copyright (c) 2012, 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('lock_file_test');
 
 #import('../../../lib/unittest/unittest.dart');
 #import('../../pub/lock_file.dart');
 #import('../../pub/package.dart');
 #import('../../pub/source.dart');
 #import('../../pub/source_registry.dart');
 #import('../../pub/utils.dart');
 #import('../../pub/version.dart');
-#import('../../pub/yaml/yaml.dart');
 
 class MockSource extends Source {
   final String name = 'mock';
   final bool shouldCache = false;
 
-  void validateDescription(String description, [bool fromLockFile=false]) {
+  void validateDescription(String description) {
     description.endsWith(' desc');
   }
 
   String packageName(String description) {
     // Strip off ' desc'.
     return description.substring(0, description.length - 5);
   }
 }
 
 main() {
@@ skipping 128 matching lines @@
   some: stuff
 packages:
   foo:
     bonus: not used
     version: 1.2.3
     source: mock
     description: foo desc
 ''', sources);
       });
     });
-
-    group('serialize()', () {
-      test('dumps the lockfile to YAML', () {
-        var lockfile = new LockFile.empty();
-        lockfile.packages['foo'] =
-          new PackageId(mockSource, new Version.parse('1.2.3'), 'foo desc');
-        lockfile.packages['bar'] =
-          new PackageId(mockSource, new Version.parse('3.2.1'), 'bar desc');
-
-        expect(loadYaml(lockfile.serialize()), equals({
-          'packages': {
-            'foo': {
-              'version': '1.2.3',
-              'source': 'mock',
-              'description': 'foo desc'
-            },
-            'bar': {
-              'version': '3.2.1',
-              'source': 'mock',
-              'description': 'bar desc'
-            }
-          }
-        }));
-      });
-    });
   });
 }
 
 throwsBadFormat(function) {
   expectThrow(function, (e) => e is FormatException);
 }