def METHOD_NAME(self, m):
    mock_service_oas_get(m, "https://basisprofiel/", service="basisprofiel_openapi")
    m.get(
        "https://basisprofiel/v1/basisprofielen/69599084",
        status_code=500,
    )
    plugin = KVK_KVKNumberPrefill(identifier="kvk")
    auth_info = AuthInfoFactory.create(
        value="69599084", plugin="kvk", attribute=AuthAttribute.kvk
    )
    submission = SubmissionFactory(auth_info=auth_info)
    values = plugin.get_prefill_values(
        submission,
        [Attributes.bezoekadres_straatnaam, Attributes.kvkNummer],
    )
    expected = {}
    self.assertEqual(values, expected)