public UpstreamCheck getUpstreamCheck() {
        return upstreamCheck;
    }
@Test
    public void testUpstreamCheck() {
        ShenyuConfig.UpstreamCheck upstreamCheck = config.getUpstreamCheck();
        upstreamCheck.setEnabled(false);
        upstreamCheck.setPoolSize(10);
        upstreamCheck.setHealthyThreshold(4);
        upstreamCheck.setTimeout(10);
        upstreamCheck.setInterval(5);
        upstreamCheck.setUnhealthyThreshold(5);
        upstreamCheck.setPrintEnabled(false);
        upstreamCheck.setPrintInterval(5);

        notEmptyElements(upstreamCheck.getEnabled(), upstreamCheck.getPoolSize(), upstreamCheck.getHealthyThreshold(), upstreamCheck.getTimeout(),
                upstreamCheck.getInterval(), upstreamCheck.getUnhealthyThreshold(), upstreamCheck.getPrintInterval(), upstreamCheck.getPrintEnabled());
    }