Fixed fragile tests for @Bean method overloading

spring-context/src/test/java/org/springframework/context/annotation/BeanMethodPolymorphismTests.java

@@ -250,7 +250,7 @@ public class BeanMethodPolymorphismTests {
 			return "regular";
 		}
 
-		@Bean
+		@Bean @Lazy
 		String aString(Integer dependency) {
 			return "overloaded" + dependency;
 		}