Clean up warnings

spring-webflux/src/test/java/org/springframework/web/reactive/resource/AppCacheManifestTransformerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -37,12 +37,13 @@ import static org.springframework.web.testfixture.http.server.reactive.MockServe
  * @author Rossen Stoyanchev
  * @author Brian Clozel
  */
+@SuppressWarnings("deprecation")
 public class AppCacheManifestTransformerTests {
 
 	private static final Duration TIMEOUT = Duration.ofSeconds(5);
 
 
-	private AppCacheManifestTransformer transformer;
+	private final AppCacheManifestTransformer transformer = new AppCacheManifestTransformer();
 
 	private ResourceTransformerChain chain;
 
@@ -57,7 +58,6 @@ public class AppCacheManifestTransformerTests {
 		ResourceResolverChain resolverChain = new DefaultResourceResolverChain(resolvers);
 
 		this.chain = new DefaultResourceTransformerChain(resolverChain, Collections.emptyList());
-		this.transformer = new AppCacheManifestTransformer();
 		this.transformer.setResourceUrlProvider(createUrlProvider(resolvers));
 	}
 

spring-webflux/src/test/java/org/springframework/web/reactive/resource/ResourceUrlProviderTests.java

@@ -158,6 +158,8 @@ public class ResourceUrlProviderTests {
 		assertThat(parentUrlProvider.getHandlerMap()).isEmpty();
 		ResourceUrlProvider childUrlProvider = childContext.getBean(ResourceUrlProvider.class);
 		assertThat(childUrlProvider.getHandlerMap()).hasKeySatisfying(pathPatternStringOf("/resources/**"));
+		childContext.close();
+		parentContext.close();
 	}