Add blank line between java and javax imports

See gh-23539

Co-authored-by: Sam Brannen <sbrannen@pivotal.io>

src/test/java/org/springframework/aop/framework/autoproxy/AdvisorAutoProxyCreatorIntegrationTests.java

@@ -16,10 +16,6 @@
 
 package org.springframework.aop.framework.autoproxy;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
 import java.io.IOException;
 import java.lang.reflect.Method;
 import java.util.List;
@@ -27,6 +23,7 @@ import java.util.List;
 import javax.servlet.ServletException;
 
 import org.junit.Test;
+
 import org.springframework.aop.support.AopUtils;
 import org.springframework.aop.support.StaticMethodMatcherPointcutAdvisor;
 import org.springframework.beans.factory.BeanFactory;
@@ -41,6 +38,8 @@ import org.springframework.tests.transaction.CallCountingTransactionManager;
 import org.springframework.transaction.NoTransactionException;
 import org.springframework.transaction.interceptor.TransactionInterceptor;
 
+import static org.junit.Assert.*;
+
 /**
  * Integration tests for auto proxy creation by advisor recognition working in
  * conjunction with transaction management resources.

src/test/java/org/springframework/context/annotation/jsr330/ClassPathBeanDefinitionScannerJsr330ScopeIntegrationTests.java

@@ -20,6 +20,7 @@ import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
+
 import javax.inject.Named;
 import javax.inject.Singleton;
 

src/test/java/org/springframework/transaction/annotation/EnableTransactionManagementIntegrationTests.java

@@ -19,6 +19,7 @@ package org.springframework.transaction.annotation;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+
 import javax.sql.DataSource;
 
 import org.junit.Ignore;