anchor.diff:  {
       "args": {
           "whoarewe": "{{<your_name}}_and_{{<my_name}}",
  -        "origin": "{{<origin}}{{_}}",
  +        "hostname": "{{<hostname}}{{_}}",
           "somevalue": "{{<some_static_param}}"
       },
       "headers": "{{_}}",
       "origin": "{{_}}",
  -    "url": "{{<protocol}}//{{<hostname}}/get?{{_}}&origin={{<origin}}&{{_}}"
  +    "url": "{{<protocol}}//{{<hostname}}/get?{{_}}&hostname={{<hostname}}&{{_}}"
   }
  
positive.code: 
  PARAM some_static_param="somevalue"
  
  GET /get?whoarewe={{<whoarewe}}&origin={{<origin}}&somevalue={{<some_static_param}}
  > Accept: application/json
  > User-Agent: KATT
  < 200
  
negative.code: > Accept: application/json
  > Content-Type: application/json
  > User-Agent: KATT
  {"hostname":"{{<hostname}}","whoarewe":"{{<your_name}}_and_{{<my_name}}","date":"{{<some_date}}"}
  < 200
  < Content-Type: application/json
  {
  