public long getClientExpiredTime() {
        return clientExpiredTime;
    }
@Test
    void testUpgradeConfig() throws InterruptedException {
        mockEnvironment.setProperty(ClientConstants.CLIENT_EXPIRED_TIME_CONFIG_KEY, String.valueOf(EXPIRED_TIME));
        NotifyCenter.publishEvent(ServerConfigChangeEvent.newEvent());
        TimeUnit.SECONDS.sleep(1);
        assertEquals(EXPIRED_TIME, clientConfig.getClientExpiredTime());
    }