Polishing

See gh-28189

spring-test/src/main/java/org/springframework/test/web/reactive/server/ExchangeResult.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -60,7 +60,7 @@ public class ExchangeResult {
 	private static final Log logger = LogFactory.getLog(ExchangeResult.class);
 
 	private static final List<MediaType> PRINTABLE_MEDIA_TYPES = Arrays.asList(
-			MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML,
+			MediaType.parseMediaType("application/*+json"), MediaType.APPLICATION_XML,
 			MediaType.parseMediaType("text/*"), MediaType.APPLICATION_FORM_URLENCODED);