code: def test_marshal(self):
      model = OrderedDict([("foo", fields.Raw)])
      marshal_dict = OrderedDict([("foo", "bar"), ("bat", "baz")])
      output = marshal(marshal_dict, model)
      assert isinstance(output, dict)
      assert not isinstance(output, OrderedDict)
      assert output == {"foo": "bar"}
  
imports: from __future__ import unicode_literals
  import pytest
  from flask_restplus import marshal, marshal_with, marshal_with_field, fields, Api, Resource
label_desc: Use image node_id 1 for calling the MarshallingTest obj's underlying member method code with example usage: obj.test_marshal() without return types