anchor.diff:    expect(foundModified.id, u.id);
     expect(foundModified.givenName, 'yegreS');
     expect(foundModified.familyName, 'oknemitsU');
  +  expect(foundModified.weight, 234.567);
   }
   
   Future findOneTestCase() async {
  
positive.code:   User u = new User();
    u.givenName = 'Sergey';
    u.familyName = 'Ustimenko';
    await u.save();
  
    // that should give him an 'id', so lets use that id to find him
  
negative.code:   String familyName;
  
    @ORM.DBField()
    double weight;
  
    @ORM.DBField()
    DateTime created;
  
    String toString() {
      return 'User { id: $id, ' +
      'givenName: \'$givenName\', familyName: \'$familyName\', weight: \'$weight\' }';
    }
  }
  
  