====test====
If I have an OAS3 document referencing a model that
recursively references itself in a request body through other objects
it should return 200 on a regular request and not crash
====spec====
openapi: 3.0.0
paths:
  /:
    put:
      requestBody:
        content:
          application/json:
            schema:
              "$ref": "#/components/schemas/RequestModel"
        required: true
      responses:
        '200':
          content:
            text/plain:
              schema:
                type: string
                example:
                  valid request
components:
  schemas:
    RequestModel:
      title: RequestModel
      type: object
      properties:
        data:
          anyOf:
            - type: array
              items:
                "$ref": "#/components/schemas/Document"
    Document:
      title: Document
      type: object
      properties:
        chunks:
          type: array
          items:
            "$ref": "#/components/schemas/Document"
====server====
mock -p 4010 ${document}
====command====
curl -i -X PUT http://localhost:4010/ -H 'content-type: application/json' -d '{}'
====expect====
HTTP/1.1 200 OK

valid request