anchor.diff:    DartSdk sdk;
   
     AnalyzerHelper() {
  -    _initAnalyzer();
  -  }
  -
  -  void _initAnalyzer() {
       Directory sdkDir = grinder.getSdkDir(['']);
       sdk = new DirectoryBasedDartSdk(new JavaFile(sdkDir.path));
       List<UriResolver> resolvers = [
  
positive.code:     exit(1);
    }
  
    var readmeLoc = '${Directory.current.path}/test/test_sdk_readme.md';
    sdkAsPackage = new Package(
        getSdkLibrariesToDocument(helper.sdk, helper.context), sdkDir.path,
        sdkVersion: '1.9.0-dev.3.0', isSdk: true, readmeLoc: readmeLoc);
  
  
negative.code: import 'dart:io';
  
  import 'package:grinder/grinder.dart' as grinder;
  import 'package:path/path.dart' as p;
  import 'package:unittest/unittest.dart';
  
  import 'package:analyzer/src/generated/element.dart';
  