Stop using convention-based annotation attribute overrides in tests

This commit replaces convention-based annotation attribute overrides in
tests with explicit use of @AliasFor -- except for tests in spring-core,
since we still want to test our support for convention-based annotation
attribute overrides.

See gh-28760

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/MvcUriComponentsBuilderTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -32,6 +32,7 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.context.annotation.Bean;
+import org.springframework.core.annotation.AliasFor;
 import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.format.annotation.DateTimeFormat.ISO;
 import org.springframework.http.HttpEntity;
@@ -635,6 +636,7 @@ public class MvcUriComponentsBuilderTests {
 	@Documented
 	private @interface PostJson {
 
+		@AliasFor(annotation = RequestMapping.class)
 		String[] path() default {};
 	}