private String getTraceId() {
        return (String) exchange.getAttributes().get(GenericLoggingConstant.SHENYU_AGENT_TRACE_ID);
    }
@Test
    public void testGetTraceId() throws Exception {
        loggingServerHttpResponse.setExchange(exchange);
        exchange.getResponse().getHeaders();
        Method method = loggingServerHttpResponse.getClass().getDeclaredMethod("getTraceId");
        method.setAccessible(true);
        String traceId = (String) method.invoke(loggingServerHttpResponse);
        Assertions.assertEquals(traceId, "shenyu-agent-trace-id");
    }