[CodeStyle][QueueTest]empty line more than one line of impor style

dolphinscheduler-service/src/test/java/org/apache/dolphinscheduler/service/queue/TaskPriorityQueueImplTest.java

@@ -1,6 +1,5 @@
 package org.apache.dolphinscheduler.service.queue;
 
-
 import org.apache.dolphinscheduler.common.enums.Priority;
 
 import java.util.concurrent.TimeUnit;
@@ -41,7 +40,6 @@ public class TaskPriorityQueueImplTest {
         Assert.assertTrue(getPriorityQueue().size() == 2);
     }
 
-
     /**
      * get queue
      *
@@ -57,7 +55,6 @@ public class TaskPriorityQueueImplTest {
         return queue;
     }
 
-
     /**
      * create task priority
      *

dolphinscheduler-service/src/test/java/queue/PeerTaskInstancePriorityQueueTest.java

@@ -20,9 +20,7 @@ package queue;
 import org.apache.dolphinscheduler.common.enums.Priority;
 import org.apache.dolphinscheduler.dao.entity.TaskInstance;
 import org.apache.dolphinscheduler.service.queue.PeerTaskInstancePriorityQueue;
-
 import java.util.concurrent.TimeUnit;
-
 import org.junit.Assert;
 import org.junit.Test;