anchor.diff:  
   import 'package:validator/validator.dart' as v;
   
  -void test_this(Map options) {
  +void test(Map options) {
     List args = options['args'];
     if (options['valid'] != null) {
       List toTest = options['valid'];
  
positive.code: }
  
  void testIsIP() {
    test_this({
      'validator': v.isIP,
      'args': [],
      'valid': [
  
negative.code: }
  
  void testIsInt() {
    test({
      'validator': v.isInt,
      'args': [],
      'valid': [
  