anchor.diff:  }
   ''');
   
  -    driverFor(testFilePath).changeFile(testFilePath);
  +    driverFor(testFilePathPlatform).changeFile(testFilePathPlatform);
       await resolveTestCode(r'''
   class A {
     factory A() =
  
positive.code: }
  ''');
  
      driverFor(testFilePath).changeFile(testFilePath);
      await resolveTestCode(r'''
  class A {
    factory A() =;
  
negative.code: }
  ''');
  
      driverFor(testFilePathPlatform).changeFile(testFilePathPlatform);
      await resolveTestCode(r'''
  class A {
    const
  