anchor.diff:      exit(1);
     }
   
  -  var readmeLoc = '${Directory.current.path}/test/test_sdk_readme.md';
  -  sdkAsPackage = new Package(
  +  var readmeLoc = p.join(Directory.current.path, 'test/test_sdk_readme.md');
  +  Package sdkAsPackage = new Package(
         getSdkLibrariesToDocument(helper.sdk, helper.context), sdkDir.path,
         sdkVersion: '1.9.0-dev.3.0', isSdk: true, readmeLoc: readmeLoc);
   
  
positive.code: import 'dart:io';
  
  import 'package:grinder/grinder.dart' as grinder;
  import 'package:path/path.dart' as path;
  import 'package:unittest/unittest.dart';
  
  import 'package:analyzer/src/generated/element.dart';
  
negative.code: 
  void main() {
    AnalyzerHelper helper = new AnalyzerHelper();
    String dirPath = p.join(Directory.current.path, 'test/fake_package');
    Source source = helper.addSource(p.join(dirPath, 'lib/example.dart'));
    LibraryElement e = helper.resolve(source);
    Package package = new Package([e], dirPath);
    var library = package.libraries[0];
  
    Directory sdkDir = cli_util.getSdkDir();
  