@Override
    protected Mono<Void> handleRuleIfNull(final String pluginName, final ServerWebExchange exchange, final ShenyuPluginChain chain) {
        return WebFluxResultUtils.noRuleResult(pluginName, exchange);
    }
@Test
    public void handleRuleIfNullTest() {
        ConfigurableApplicationContext context = mock(ConfigurableApplicationContext.class);
        SpringBeanUtils.getInstance().setApplicationContext(context);
        when(context.getBean(ShenyuResult.class)).thenReturn(new DefaultShenyuResult());
        StepVerifier.create(sofaPlugin.handleRuleIfNull("pluginName", this.exchange, this.chain)).expectSubscription().verifyComplete();
    }