anchor.diff:    }
   
     String addFile(String path, String content) {
  +    path = resourceProvider.convertPath(path);
       resourceProvider.newFile(path, content);
       return path;
     }
  
positive.code:   void setUp() {
      serverChannel = new MockServerChannel();
      resourceProvider = new MemoryResourceProvider();
      packageMapProvider = new MockPackageMapProvider();
      Index index = createIndex();
      server = createAnalysisServer(index);
  
negative.code:       <GeneralAnalysisService>[];
    final Map<AnalysisService, List<String>> analysisSubscriptions = {};
  
    String projectPath;
    String testFolder;
    String testFile;
    String testCode;
  
    AbstractAnalysisTest();
  