anchor.diff: +import 'dart:async';
  +import 'dart:io';
  +
  +import 'package:git/git.dart';
  +import 'package:jefe/jefe.dart';
  +import 'package:logging/logging.dart';
  +import 'package:path/path.dart' as p;
  +import 'package:pub_semver/pub_semver.dart';
  +import 'package:pubspec/pubspec.dart';
   import 'package:test/test.dart';
  -import 'dart:io';
  +import 'package:yaml/yaml.dart';
  +
   import 'test_project_utils.dart';
  -import 'package:jefe/jefe.dart';
  -import 'package:path/path.dart' as p;
  -import 'package:logging/logging.dart';
  -import 'dart:async';
  -import 'package:git/git.dart';
  -import 'package:pubspec/pubspec.dart';
  -import 'package:yaml/yaml.dart';
  -import 'package:pub_semver/pub_semver.dart';
   
   final Logger _log = new Logger('dd');
   
  
positive.code:   }, skip: false);
  }
  
  Future<Directory> get _performLifecycle async {
    print("============== _performLifecycle");
    final jefeDir = await createJefeWithTestProjects(4);
  
  
negative.code:     });
  
      test('ls executes concurrently', () async {
        expect(
            await graph.processCommands.execute('ls', []), "bin\npubspec.yaml");
      }, skip: false);
  
      test('ls executes serially', () async {
  