code: def test_json_with_no_settings(self, api, client):
      class Foo(restplus.Resource):
          def get(self):
              return {"foo": "bar"}
  
      api.add_resource(Foo, "/foo")
  
      data = client.get("/foo").data
  
      expected = b'{"foo": "bar"}\n'
      assert data == expected
  
imports: from __future__ import unicode_literals
  import flask
  import pytest
  import six
  from json import dumps, JSONEncoder
  from flask import Blueprint, redirect, views
  from werkzeug.exceptions import HTTPException, Unauthorized, BadRequest
  import flask_restplus
label_desc: Use image node_id 36 for calling the APITest obj's underlying member method code with example usage: obj.test_json_with_no_settings(api, client) and returns: dict