Upgrade to Spring Security 5.0 M5

* Rename tests in WebFlux module to have `WebFlux` prefix instead of `Http`

build.gradle

@@ -134,7 +134,7 @@ subprojects { subproject ->
 		springDataMongoVersion = '2.0.0.RELEASE'
 		springDataRedisVersion = '2.0.0.RELEASE'
 		springGemfireVersion = '2.0.0.RELEASE'
-		springSecurityVersion = '5.0.0.M4'
+		springSecurityVersion = '5.0.0.M5'
 		springSocialTwitterVersion = '2.0.0.M4'
 		springRetryVersion = '1.2.1.RELEASE'
 		springVersion = project.hasProperty('springVersion') ? project.springVersion : '5.0.0.RELEASE'

spring-integration-webflux/src/test/java/org/springframework/integration/webflux/config/WebFluxOutboundChannelAdapterParserTests.java

@@ -45,7 +45,7 @@ import org.springframework.web.reactive.function.client.WebClient;
  */
 @RunWith(SpringRunner.class)
 @DirtiesContext
-public class HttpOutboundChannelAdapterParserTests {
+public class WebFluxOutboundChannelAdapterParserTests {
 
 	@Autowired
 	@Qualifier("reactiveMinimalConfig")

spring-integration-webflux/src/test/java/org/springframework/integration/webflux/config/WebFluxOutboundGatewayParserTests.java

@@ -49,7 +49,7 @@ import org.springframework.web.reactive.function.client.WebClient;
  */
 @RunWith(SpringRunner.class)
 @DirtiesContext
-public class HttpOutboundGatewayParserTests {
+public class WebFluxOutboundGatewayParserTests {
 
 	@Autowired
 	@Qualifier("reactiveMinimalConfig")