// First request: time out after 1s.
    client =
      client.newBuilder()
        .readTimeout(Duration.ofSeconds(1))
        .build()
    executeSynchronously("/a").assertBody("abc")

    // Second request: time out after 250ms.
    client =
      client.newBuilder()
        .readTimeout(Duration.ofMillis(250))
        .build()
    val request = Request.Builder().url(server.url("/b")).build()