Merge branch '5.3.x'

spring-websocket/src/test/java/org/springframework/web/socket/handler/BlockingWebSocketSession.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.web.socket.handler;
 
 import java.io.IOException;

spring-websocket/src/test/java/org/springframework/web/socket/messaging/OrderedMessageSendingIntegrationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.web.socket.messaging;
 
 import java.nio.charset.StandardCharsets;

spring-websocket/src/test/java/org/springframework/web/socket/messaging/StompSubProtocolErrorHandlerTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.web.socket.messaging;
 
 import org.junit.jupiter.api.BeforeEach;

spring-websocket/src/test/java/org/springframework/web/socket/server/support/WebSocketHandlerMappingTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.web.socket.server.support;
 
 import java.util.Collections;