    GET http://localhost:8000/predicate-value
    HTTP 200
    [Asserts]
    jsonpath "$.null" == null
    jsonpath "$.boolean" == true
    jsonpath "$.integer" == 2
    jsonpath "$.float" == 2.5
    jsonpath "$.string" == "Hello"
    jsonpath "$.template" == "Hello {{name}}!"
    jsonpath "$.multiline_string" == ```
    Hello
    Bob!
    ```
    jsonpath "$.hex" == hex,010203;
    jsonpath "$.base64" == base64,bGluZTEKbGluZTINCmxpbmUzCg==;
    jsonpath "$.file" == file,data.bin;
    jsonpath "$.expression" == {{expression}}