def METHOD_NAME(lti_registration, jwt_public_key):
    """Mock the response of the platform's JWT HTTP end-point."""
    jwk = {"keys": [jwt_public_key]}
    with httpretty.enabled():
        httpretty.register_uri(
            method="GET", uri=lti_registration.key_set_url, body=json.dumps(jwk)
        )
        yield