增加测试数据

src/main/scala/com/aliyun/odps/spark/examples/makedata_ad/v20240718/diff_data_20240718.scala

@@ -89,6 +89,7 @@ object diff_data_20240718 {
       result = result :+ res
     }
 
+    result = result :+ "test"
     val rdd = sc.parallelize(result)
 
     val hdfsPath = savePath