Test suite call.on.body element sends double quotes for plain text values

[kajf]

bozr -i -H http://localhost:8080 ./login.suite.json
example suite

[
  {
    "name": "test",
    "calls": [
      {
        "on": {
          "method": "POST",
          "url": "/Admin.login",
          "body": "Username=abc&Password=xyz"
        },
        "expect": {
          "statusCode": 200
        }
      }
    ]
  }
]

generated request

POST http://localhost:8080/Admin.login HTTP/1.1

"Username=abc&Password=xyz"

expected request (no double quotes in POST payload)

POST http://localhost:8080/Admin.login HTTP/1.1

Username=abc&Password=xyz