===
GET /records/events/1
===
200
Content-Type: application/json; charset=utf-8
Content-Length: 70

{"id":1,"name":"Launch","datetime":"2016-01-01 13:01:01","visitors":0}
===
PUT /records/events/1

{"datetime":null,"visitors":null}
===
200
Content-Type: application/json; charset=utf-8
Content-Length: 1

1
===
GET /records/events/1
===
200
Content-Type: application/json; charset=utf-8
Content-Length: 56

{"id":1,"name":"Launch","datetime":null,"visitors":null}
===
PUT /records/events/1

{"datetime":"2016-01-01 13:01:01","visitors":0}
===
200
Content-Type: application/json; charset=utf-8
Content-Length: 1

1
===
GET /records/events/1
===
200
Content-Type: application/json; charset=utf-8
Content-Length: 70

{"id":1,"name":"Launch","datetime":"2016-01-01 13:01:01","visitors":0}