anchor.diff:  
   [source,js]
   --------------------------------------------------
  +GET /_search
       {
           "query" : {
  -            ...
  +            "match_all": {}
           },
           "script_fields" : {
               "test1" : {
  
positive.code: 
  [source,js]
  --------------------------------------------------
  {
      "query" : {
          ...
      },
      "script_fields" : {
          "test1" : {
  
negative.code:         }
      }
  --------------------------------------------------
  // CONSOLE
  
  Note the `_source` keyword here to navigate the json-like model.
  
  