.readTimeout(Duration.ofMillis(100))
        .build()
    val request = Request.Builder().url(server.url("/")).build()
    assertFailsWith<InterruptedIOException> {
      // If this succeeds, too many requests were made.
      client.newCall(request).execute()
    }
  }

  /**
   * Make a request with two routes. The first route will time out because it's connecting to a