long seq1 = registration.getNextSequenceNumber();
        long seq2 = registration.getNextSequenceNumber();
        long seq3 = registration.getNextSequenceNumber();

        assertEquals(1, seq1);
        assertEquals(2, seq2);
        assertEquals(3, seq3);
        assertTrue(seq2 > seq1);
        assertTrue(seq3 > seq2);
    }

    @Test
    void testHeartbeatUpdate() throws InterruptedException {

  @Test
  fun serverDisconnectsBeforeSecondRequestHttp1() {
    enableProtocol(Protocol.HTTP_1_1)

    server.enqueue(MockResponse(code = 200, body = "Req1"))
    server.enqueue(MockResponse(code = 200, body = "Req2"))

    val eventListener =
      object : EventListener() {
        var socket: SSLSocket? = null
        var closed = false

        override fun connectionAcquired(
          call: Call,