Reduce need for bean method proxying and disable where not needed

Closes gh-9068

spring-boot-samples/spring-boot-sample-atmosphere/src/test/java/sample/atmosphere/SampleAtmosphereApplicationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -69,7 +69,7 @@ public class SampleAtmosphereApplicationTests {
 				.contains("{\"message\":\"test\",\"author\":\"test\",\"time\":");
 	}
 
-	@Configuration
+	@Configuration(proxyBeanMethods = false)
 	static class ClientConfiguration implements CommandLineRunner {
 
 		@Value("${websocket.uri}")