@Override
    protected Mono<Void> handleRuleIfNull(final String pluginName, final ServerWebExchange exchange, final ShenyuPluginChain chain) {
        return WebFluxResultUtils.noRuleResult(pluginName, exchange);
    }
@Test
    public void testHandleRuleIfNull() {
        Assertions.assertEquals(springCloudPlugin.handleRuleIfNull("SpringCloud", exchange, chain).getClass(),
                WebFluxResultUtils.noRuleResult("SpringCloud", exchange).getClass());
    }