assertThat(server.takeRequest().headers["Authorization"]).isEqualTo(credential)
    assertThat(authenticator.onlyRoute().proxy).isEqualTo(Proxy.NO_PROXY)
    val response = authenticator.onlyResponse()
    assertThat(
      response.request.url
        .toUrl()
        .path,
    ).isEqualTo("/private")
    assertThat(response.challenges()).isEqualTo(listOf(Challenge("Basic", "protected area")))