limiter.acquire(); // #1
    }
    stopwatch.sleepMillis(500); // #2: to repay for the last acquire
    stopwatch.sleepMillis(4000); // #3: becomes cold again
    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // // #4
    }
    stopwatch.sleepMillis(500); // #5: to repay for the last acquire
    stopwatch.sleepMillis(2000); // #6: didn't get cold! It would take another 2 seconds to go cold

      limiter.acquire(); // #1
    }
    stopwatch.sleepMillis(500); // #2: to repay for the last acquire
    stopwatch.sleepMillis(4000); // #3: becomes cold again
    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // // #4
    }
    stopwatch.sleepMillis(500); // #5: to repay for the last acquire
    stopwatch.sleepMillis(2000); // #6: didn't get cold! It would take another 2 seconds to go cold

    val response = call.execute()
    Thread.sleep(250)
    response.body.source().readUtf8()
    response.close()
    assertThat(call.isCanceled()).isFalse()
  }

  private fun sleepingRequestBody(sleepMillis: Int): RequestBody {
    return object : RequestBody() {
      override fun contentType(): MediaType? {
        return "text/plain".toMediaTypeOrNull()
      }

      @Throws(IOException::class)