thread.join();
        }

        // All threads should see the updated time (not 0 or the old value)
        long firstTime = observedTimes[0];
        assertTrue(firstTime > 0, "Time should be updated");
        for (int i = 1; i < 10; i++) {
            Assertions.assertEquals(firstTime, observedTimes[i], "All threads should see same time due to volatile");
        }
    }

    /**

      throws InterruptedException {
    boolean firstTime = true;
    try {
      do {
        if (nanos <= 0L) {
          return false;
        }
        if (firstTime) {
          if (signalBeforeWaiting) {
            signalNextWaiter();
          }
          beginWaitingFor(guard);
          firstTime = false;
        }
        nanos = guard.condition.awaitNanos(nanos);

      )
    val response = call.execute()
    assertThat(response.body.string()).isEqualTo("ABC")
    assertThat(response.protocol).isEqualTo(protocol)
    val logs = testLogHandler.takeAll()
    assertThat(firstFrame(logs, "HEADERS")!!, "header logged")
      .contains("HEADERS       END_STREAM|END_HEADERS")
  }

  @Test
  fun emptyDataFrameSentWithEmptyBody() {
    server.enqueue(MockResponse(body = "ABC"))