Fix test and add security configuration

Author: ryanjbaxter

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

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2013-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.gateway.server.mvc;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
+import org.springframework.security.web.SecurityFilterChain;
+
+/**
+ * @author Ryan Baxter
+ */
+@Configuration(proxyBeanMethods = false)
+public class PermitAllSecurityConfiguration {
+
+	@Bean
+	public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+		http.authorizeHttpRequests(auth -> auth.anyRequest().permitAll()).csrf(AbstractHttpConfigurer::disable);
+		return http.build();
+	}
+
+}

spring-cloud-gateway-server-mvc/src/test/java/org/springframework/cloud/gateway/server/mvc/filter/ForwardedRequestHeadersFilterTests.java

@@ -25,7 +25,6 @@
 import java.util.Map;
 import java.util.Optional;
 
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.cloud.gateway.server.mvc.filter.ForwardedRequestHeadersFilter.Forwarded;
@@ -141,10 +140,9 @@ public void noHostHeader() throws UnknownHostException {
 	}
 
 	@Test
-	@Disabled
 	public void correctIPv6RemoteAddressMapping() throws UnknownHostException {
 		MockHttpServletRequest servletRequest = MockMvcRequestBuilders.get("http://localhost/get")
-			.remoteAddress("2001:db8:cafe:0:0:0:0:17:80")
+			.remoteAddress("2001:db8:cafe:0:0:0:0:17")
 			.header(HttpHeaders.HOST, "myhost")
 			.buildRequest(null);
 		servletRequest.setRemoteHost("2001:db8:cafe:0:0:0:0:17");