    GET http://localhost:8000/default-headers
    HTTP 200

    GET http://localhost:8000/default-headers
    User-Agent: hurl/1.0
    Host: localhost:8000  # comment
    HTTP 200

    GET http://localhost:8000/default-headers
    User-Agent: hurl/1.0
    Host: localhost:8000  # comment
    HTTP 200

    GET http://localhost:8000/custom-headers
    Fruit: Raspberry
    Fruit: Apple
    Fruit: Banana
    Fruit: Grape
    Color: Green
    HTTP 200

    GET http://localhost:8000/custom-headers-utf8
    Beverage: café  # send the utf8 string - expected to be decoded as ascii in the server side
    HTTP 200

    GET http://localhost:8000/custom-headers-value
    Id: \#123       # send a hash in the value
    HTTP 200

    GET http://localhost:8000/custom-headers-quote
    Header1: '
    HTTP 200

    GET http://localhost:8000/response-headers
    HTTP 200
    Beverage: cafe  # TBC send utf8