anchor.diff:  import "package:test/test.dart";
   import "package:serializer/serializer.dart";
   
  +abstract class DontWantToBeSerialize {
  +  String foo = "bar";
  +}
  +
   @serializable
   abstract class Proxy extends Serialize {}
   
  
positive.code:       expect('{"@dart_type":"Date","date":"2016-01-01 00:00:00.000"}',
            date.toJson());
      });
    });
  
    group("Deserialize", () {
  
negative.code:   Date([this.date]);
  }
  
  @serializable
  class TestMaxSuperClass extends DontWantToBeSerialize {
    String serialize = "okay";
  }
  
  main() {
    initSerializer(max_superclass: DontWantToBeSerialize);
  
  
    group("Serialize", () {
  