anchor.diff:    }
   
     String addFile(String path, String content) {
  +    path = resourceProvider.convertPath(path);
       resourceProvider.newFile(path, content);
       return path;
     }
  
positive.code:    */
    void createProject({Map<String, String> packageRoots}) {
      resourceProvider.newFolder(projectPath);
      Request request =
          new AnalysisSetAnalysisRootsParams([projectPath], [], packageRoots: packageRoots).toRequest('0');
      handleSuccessfulRequest(request, handler: analysisHandler);
    }
  
  
negative.code:         index,
          serverPlugin,
          new AnalysisServerOptions(),
          new DartSdkManager(
              resourceProvider.convertPath('/'), false, (_) => sdk),
          InstrumentationService.NULL_SERVICE);
    }
  
  