anchor.diff:  void main() {
     defineReflectiveSuite(() {
       defineReflectiveTests(RemoveDeadCodeTest);
  +    defineReflectiveTests(RemoveDeadCodeWithNullSafetyTest);
     });
   }
   
  
positive.code: ''');
    }
  }
  
negative.code: // BSD-style license that can be found in the LICENSE file.
  
  import 'package:analysis_server/src/services/correction/fix.dart';
  import 'package:analyzer/src/dart/analysis/experiments.dart';
  import 'package:analyzer_plugin/utilities/fixes/fixes.dart';
  import 'package:test_reflective_loader/test_reflective_loader.dart';
  
  