}

        override fun onFailure(
          webSocket: WebSocket,
          t: Throwable,
          response: Response?,
        ) {
          failureRef.set(t)
          latch.countDown()
        }
      },
    )

    check(latch.await(10, TimeUnit.SECONDS)) { "Timed out waiting for count." }

    val failure = failureRef.get()
    if (failure != null) {