Merge pull request #15427 from igor-suhorukov

* pr/15427:
  Simplify code by using try-with-resources statement

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/CloudFoundryWebEndpointDiscovererTests.java

@@ -86,9 +86,8 @@ public class CloudFoundryWebEndpointDiscovererTests {
 	private void load(Function<EndpointId, Long> timeToLive,
 			PathMapper endpointPathMapper, Class<?> configuration,
 			Consumer<CloudFoundryWebEndpointDiscoverer> consumer) {
-		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
+		try (AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
-				configuration);
+				configuration)) {
-		try {
 			ConversionServiceParameterValueMapper parameterMapper = new ConversionServiceParameterValueMapper(
 					DefaultConversionService.getSharedInstance());
 			EndpointMediaTypes mediaTypes = new EndpointMediaTypes(
@@ -101,9 +100,6 @@ public class CloudFoundryWebEndpointDiscovererTests {
 					Collections.emptyList());
 			consumer.accept(discoverer);
 		}
-		finally {
-			context.close();
-		}
 	}
 
 	@Configuration

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/servlet/CloudFoundryMvcWebEndpointIntegrationTests.java

@@ -163,15 +163,11 @@ public class CloudFoundryMvcWebEndpointIntegrationTests {
 	private void load(Class<?> configuration, Consumer<WebTestClient> clientConsumer) {
 		BiConsumer<ApplicationContext, WebTestClient> consumer = (context,
 				client) -> clientConsumer.accept(client);
-		AnnotationConfigServletWebServerApplicationContext context = createApplicationContext(
+		try (AnnotationConfigServletWebServerApplicationContext context = createApplicationContext(
-				configuration, CloudFoundryMvcConfiguration.class);
+				configuration, CloudFoundryMvcConfiguration.class)) {
-		try {
 			consumer.accept(context, WebTestClient.bindToServer()
 					.baseUrl("http://localhost:" + getPort(context)).build());
 		}
-		finally {
-			context.close();
-		}
 	}
 
 	private String mockAccessToken() {

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/annotation/WebEndpointDiscovererTests.java

@@ -252,9 +252,8 @@ public class WebEndpointDiscovererTests {
 	private void load(Function<EndpointId, Long> timeToLive,
 			PathMapper endpointPathMapper, Class<?> configuration,
 			Consumer<WebEndpointDiscoverer> consumer) {
-		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
+		try (AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
-				configuration);
+				configuration)) {
-		try {
 			ConversionServiceParameterValueMapper parameterMapper = new ConversionServiceParameterValueMapper(
 					DefaultConversionService.getSharedInstance());
 			EndpointMediaTypes mediaTypes = new EndpointMediaTypes(
@@ -267,9 +266,6 @@ public class WebEndpointDiscovererTests {
 					Collections.emptyList());
 			consumer.accept(discoverer);
 		}
-		finally {
-			context.close();
-		}
 	}
 
 	private Map<EndpointId, ExposableWebEndpoint> mapEndpoints(