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