Add blank line between java and javax imports

See gh-23539

spring-jms/src/test/java/org/springframework/jms/StubTextMessage.java

@@ -18,6 +18,7 @@ package org.springframework.jms;
 
 import java.util.Enumeration;
 import java.util.concurrent.ConcurrentHashMap;
+
 import javax.jms.Destination;
 import javax.jms.JMSException;
 import javax.jms.TextMessage;

spring-jms/src/test/java/org/springframework/jms/annotation/AbstractJmsAnnotationDrivenTests.java

@@ -17,6 +17,7 @@
 package org.springframework.jms.annotation;
 
 import java.lang.reflect.Method;
+
 import javax.jms.JMSException;
 import javax.jms.Session;
 

spring-jms/src/test/java/org/springframework/jms/annotation/EnableJmsTests.java

@@ -18,6 +18,7 @@ package org.springframework.jms.annotation;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+
 import javax.jms.JMSException;
 import javax.jms.MessageListener;
 

spring-jms/src/test/java/org/springframework/jms/config/JmsListenerContainerFactoryIntegrationTests.java

@@ -19,6 +19,7 @@ package org.springframework.jms.config;
 import java.lang.reflect.Method;
 import java.util.HashMap;
 import java.util.Map;
+
 import javax.jms.JMSException;
 import javax.jms.Message;
 import javax.jms.MessageListener;

spring-jms/src/test/java/org/springframework/jms/config/JmsNamespaceHandlerTests.java

@@ -20,6 +20,7 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
+
 import javax.jms.ConnectionFactory;
 import javax.jms.Message;
 import javax.jms.MessageListener;

spring-jms/src/test/java/org/springframework/jms/config/MethodJmsListenerEndpointTests.java

@@ -21,6 +21,7 @@ import java.lang.reflect.Method;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
+
 import javax.jms.Destination;
 import javax.jms.InvalidDestinationException;
 import javax.jms.JMSException;

spring-jms/src/test/java/org/springframework/jms/core/JmsMessagingTemplateTests.java

@@ -19,6 +19,7 @@ package org.springframework.jms.core;
 import java.io.Writer;
 import java.util.HashMap;
 import java.util.Map;
+
 import javax.jms.Destination;
 import javax.jms.JMSException;
 import javax.jms.MessageFormatException;

spring-jms/src/test/java/org/springframework/jms/core/JmsTemplateTests.java

@@ -19,6 +19,7 @@ package org.springframework.jms.core;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.util.List;
+
 import javax.jms.Connection;
 import javax.jms.ConnectionFactory;
 import javax.jms.DeliveryMode;

spring-jms/src/test/java/org/springframework/jms/core/support/JmsGatewaySupportTests.java

@@ -17,6 +17,7 @@ package org.springframework.jms.core.support;
 
 import java.util.ArrayList;
 import java.util.List;
+
 import javax.jms.ConnectionFactory;
 
 import org.junit.jupiter.api.Test;

spring-jms/src/test/java/org/springframework/jms/listener/DefaultMessageListenerContainerTests.java

@@ -18,6 +18,7 @@ package org.springframework.jms.listener;
 
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
+
 import javax.jms.Connection;
 import javax.jms.ConnectionFactory;
 import javax.jms.Destination;

spring-jms/src/test/java/org/springframework/jms/listener/SimpleMessageListenerContainerTests.java

@@ -18,6 +18,7 @@ package org.springframework.jms.listener;
 
 import java.util.HashSet;
 import java.util.Set;
+
 import javax.jms.Connection;
 import javax.jms.ConnectionFactory;
 import javax.jms.ExceptionListener;

spring-jms/src/test/java/org/springframework/jms/listener/adapter/MessageListenerAdapterTests.java

@@ -18,6 +18,7 @@ package org.springframework.jms.listener.adapter;
 
 import java.io.ByteArrayInputStream;
 import java.io.Serializable;
+
 import javax.jms.BytesMessage;
 import javax.jms.InvalidDestinationException;
 import javax.jms.JMSException;

spring-jms/src/test/java/org/springframework/jms/listener/adapter/MessagingMessageListenerAdapterTests.java

@@ -19,6 +19,7 @@ package org.springframework.jms.listener.adapter;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
+
 import javax.jms.DeliveryMode;
 import javax.jms.Destination;
 import javax.jms.JMSException;

spring-jms/src/test/java/org/springframework/jms/listener/adapter/ResponsiveMessageDelegate.java

@@ -18,6 +18,7 @@ package org.springframework.jms.listener.adapter;
 
 import java.io.Serializable;
 import java.util.Map;
+
 import javax.jms.BytesMessage;
 import javax.jms.MapMessage;
 import javax.jms.ObjectMessage;

spring-jms/src/test/java/org/springframework/jms/remoting/JmsInvokerTests.java

@@ -19,6 +19,7 @@ package org.springframework.jms.remoting;
 import java.io.Serializable;
 import java.util.Arrays;
 import java.util.Enumeration;
+
 import javax.jms.CompletionListener;
 import javax.jms.Destination;
 import javax.jms.JMSException;

spring-jms/src/test/java/org/springframework/jms/support/JmsMessageHeaderAccessorTests.java

@@ -17,6 +17,7 @@
 package org.springframework.jms.support;
 
 import java.util.Map;
+
 import javax.jms.Destination;
 import javax.jms.JMSException;
 

spring-jms/src/test/java/org/springframework/jms/support/SimpleJmsHeaderMapperTests.java

@@ -18,6 +18,7 @@ package org.springframework.jms.support;
 
 import java.util.Date;
 import java.util.Map;
+
 import javax.jms.DeliveryMode;
 import javax.jms.Destination;
 import javax.jms.JMSException;

spring-jms/src/test/java/org/springframework/jms/support/SimpleMessageConverterTests.java

@@ -20,6 +20,7 @@ import java.io.ByteArrayInputStream;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
+
 import javax.jms.BytesMessage;
 import javax.jms.JMSException;
 import javax.jms.MapMessage;

spring-jms/src/test/java/org/springframework/jms/support/converter/MappingJackson2MessageConverterTests.java

@@ -22,6 +22,7 @@ import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
+
 import javax.jms.BytesMessage;
 import javax.jms.JMSException;
 import javax.jms.Session;

spring-jms/src/test/java/org/springframework/jms/support/converter/MessagingMessageConverterTests.java

@@ -17,6 +17,7 @@
 package org.springframework.jms.support.converter;
 
 import java.io.Serializable;
+
 import javax.jms.JMSException;
 import javax.jms.ObjectMessage;
 import javax.jms.Session;