anchor.diff:                  .stdout;
   
               pubSpec = new PubSpec.fromJson(loadYaml(pubSpecStr));
  -//            git show master:pubspec.yaml
  -//            pubSpec = await PubSpec.load(directory);
             }
           });
   
  
positive.code:   group('process commands', () {
      ProjectGroup group;
      JefeProjectGraph graph;
  
      setUp(() async {
        if (group == null) {
  
negative.code:     });
  
      test('ls executes concurrently', () async {
        expect(process(await graph.processCommands.execute('ls', [])),
            _expectedResults);
      }, skip: false);
  
      test('ls executes serially', () async {
        expect(
            process(await graph
                .multiProjectCommands(
                    defaultConcurrencyMode:
                        CommandConcurrencyMode.serialDepthFirst)
                .processCommands
                .execute('ls', [])),
            _expectedResults);
      }, skip: false);
    }, skip: false);
  }
  