anchor.diff:    }
   
     AdbPrecompilationCommand getAdbPrecompiledCommand(String precompiledRunner,
  -                                                    String testDirectory,
  -                                                    List<String> arguments,
  -                                                    bool useBlobs) {
  +      String testDirectory, List<String> arguments, bool useBlobs) {
       var command = new AdbPrecompilationCommand._(
           precompiledRunner, testDirectory, arguments, useBlobs);
       return _getUniqueCommand(command);
  
positive.code:     // a core dump. Sometimes content shell crashes after it has set the stdout
      // to PASS, so we have to do this check first.
      // Content shell also fails with a broken pipe message: Issue 26739
      var zygoteCrash = new RegExp(
          r"ERROR:zygote_linux\.cc\(\d+\)] write: Broken pipe");
      var stderr = decodeUtf8(stderrBytes);
      // TODO(whesse): Issue: 7564
      // This may not be happening anymore.  Test by removing this suppression.
  
negative.code:   String _destinationFile;
    Map<String, Map> _dependencyOverrides;
  
    ModifyPubspecYamlCommand._(
        this._pubspecYamlFile, this._destinationFile, this._dependencyOverrides)
        : super._("modify_pubspec") {
      assert(_pubspecYamlFile.endsWith("pubspec.yaml"));
      assert(_destinationFile.endsWith("pubspec.yaml"));
  