Add removed logging

Author: pawankartik-elastic

server/src/internalClusterTest/java/org/elasticsearch/search/ccs/CrossClusterIT.java

@@ -274,6 +274,7 @@ public void testCancel() throws Exception {
         });
 
         for (TaskInfo taskInfo : remoteClusterSearchTasks.get()) {
+            logger.info("Checking for task's cancellation: " + taskInfo.taskId());
             assertFalse("taskInfo is cancelled: " + taskInfo, taskInfo.cancelled());
         }