Polish "Replace explicit generic type with diamond operator"

Closes gh-15424

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/freemarker/FreeMarkerAutoConfigurationServletIntegrationTests.java

@@ -257,8 +257,7 @@ public class FreeMarkerAutoConfigurationServletIntegrationTests {
 
 		@Bean
 		public FilterRegistrationBean<OrderedCharacterEncodingFilter> filterRegistration() {
-			return new FilterRegistrationBean<>(
-					new OrderedCharacterEncodingFilter());
+			return new FilterRegistrationBean<>(new OrderedCharacterEncodingFilter());
 		}
 
 	}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafServletAutoConfigurationTests.java

@@ -372,8 +372,7 @@ public class ThymeleafServletAutoConfigurationTests {
 
 		@Bean
 		public FilterRegistrationBean<OrderedCharacterEncodingFilter> filterRegistration() {
-			return new FilterRegistrationBean<>(
-					new OrderedCharacterEncodingFilter());
+			return new FilterRegistrationBean<>(new OrderedCharacterEncodingFilter());
 		}
 
 	}

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/servlet/mockmvc/HateoasController.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 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.