Polish tests in spring-aop

This commit polishes tests in spring-aop by using
OrderComparator.sort() and lambda expressions instead of anonymous
classes where feasible.

Closes gh-23458

spring-webflux/src/main/java/org/springframework/web/reactive/config/ViewResolverRegistry.java

@@ -182,5 +182,4 @@ public class ViewResolverRegistry {
 			getViewResolver();
 		}
 	}
-
 }