Merge branch '5.3.x'

spring-web/src/test/java/org/springframework/http/converter/json/MappingJackson2HttpMessageConverterTests.java

@@ -57,7 +57,7 @@ import static org.assertj.core.api.Assertions.within;
  */
 public class MappingJackson2HttpMessageConverterTests {
 
-	protected static final String NEWLINE_SYSTEM_PROPERTY = System.getProperty("line.separator");
+	protected static final String NEWLINE_SYSTEM_PROPERTY = System.lineSeparator();
 
 	private final MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
 

spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/ResponseEntityResultHandlerTests.java

@@ -83,7 +83,7 @@ import static org.springframework.web.testfixture.method.ResolvableMethod.on;
  */
 public class ResponseEntityResultHandlerTests {
 
-	private static final String NEWLINE_SYSTEM_PROPERTY = System.getProperty("line.separator");
+	private static final String NEWLINE_SYSTEM_PROPERTY = System.lineSeparator();
 
 
 	private ResponseEntityResultHandler resultHandler;

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/RequestResponseBodyMethodProcessorTests.java

@@ -89,7 +89,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException
 @SuppressWarnings("unused")
 public class RequestResponseBodyMethodProcessorTests {
 
-	protected static final String NEWLINE_SYSTEM_PROPERTY = System.getProperty("line.separator");
+	protected static final String NEWLINE_SYSTEM_PROPERTY = System.lineSeparator();
 
 
 	private ModelAndViewContainer container;