Temporarily add @EnableWebFluxSecurity

spring-cloud-gateway-server/src/test/java/org/springframework/cloud/gateway/test/PermitAllSecurityConfiguration.java

@@ -18,10 +18,14 @@ package org.springframework.cloud.gateway.test;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
 import org.springframework.security.config.web.server.ServerHttpSecurity;
 import org.springframework.security.web.server.SecurityWebFilterChain;
 
 @Configuration(proxyBeanMethods = false)
+// TODO: remove when below is fixed
+// https://github.com/spring-projects/spring-boot/commit/ee9c74556d45b39f097aff8a5fa65c6394d060b5
+@EnableWebFluxSecurity
 public class PermitAllSecurityConfiguration {
 
 	@Bean