closeWebSockets(webSocket, server)
  }

  @Test
  @Throws(Exception::class)
  fun clientPingsServerOnInterval() {
    client =
      client
        .newBuilder()
        .pingInterval(Duration.ofMillis(500))
        .build()
    webServer.enqueue(
      MockResponse
        .Builder()
        .webSocketUpgrade(serverListener)
        .build(),
    )
    val webSocket = newWebSocket()

    builder = builder.readTimeout(Duration.ofSeconds(0L))
    builder = builder.writeTimeout(0L, TimeUnit.SECONDS)
    builder = builder.writeTimeout(Duration.ofSeconds(0L))
    builder = builder.pingInterval(0L, TimeUnit.SECONDS)
    builder = builder.pingInterval(Duration.ofSeconds(0L))
    builder = builder.proxy(Proxy.NO_PROXY)
    builder = builder.proxySelector(NullProxySelector)
    builder = builder.cookieJar(CookieJar.NO_COOKIES)