diff --git a/native-sql-engine/core/src/test/scala/com/intel/oap/tpc/ds/TPCDSSuite.scala b/native-sql-engine/core/src/test/scala/com/intel/oap/tpc/ds/TPCDSSuite.scala
index 128f68bb7..cf753fc93 100644
--- a/native-sql-engine/core/src/test/scala/com/intel/oap/tpc/ds/TPCDSSuite.scala
+++ b/native-sql-engine/core/src/test/scala/com/intel/oap/tpc/ds/TPCDSSuite.scala
@@ -26,7 +26,7 @@ import org.apache.spark.sql.test.SharedSparkSession
 class TPCDSSuite extends QueryTest with SharedSparkSession {
 
   private val MAX_DIRECT_MEMORY = "6g"
-  private val TPCDS_QUERIES_RESOURCE = "tpcds-queries"
+  private val TPCDS_QUERIES_RESOURCE = "tpcds"
   private val TPCDS_WRITE_PATH = "/tmp/tpcds-generated"
 
   private var runner: TPCRunner = _
@@ -136,6 +136,15 @@ class TPCDSSuite extends QueryTest with SharedSparkSession {
     df.explain()
     df.show()
   }
+
+  test("simple UDF") {
+    spark.udf.register("strLenScala",
+      (s: String) => Option(s).map(_.length).orElse(Option(0)).get)
+    val df = spark.sql("SELECT i_item_sk, i_item_desc, strLenScala(i_item_desc) FROM " +
+        "item LIMIT 100")
+    df.explain()
+    df.show()
+  }
 }
 
 object TPCDSSuite {
diff --git a/native-sql-engine/core/src/test/scala/com/intel/oap/tpc/h/TPCHSuite.scala b/native-sql-engine/core/src/test/scala/com/intel/oap/tpc/h/TPCHSuite.scala
index a8fc06e86..82ac63e46 100644
--- a/native-sql-engine/core/src/test/scala/com/intel/oap/tpc/h/TPCHSuite.scala
+++ b/native-sql-engine/core/src/test/scala/com/intel/oap/tpc/h/TPCHSuite.scala
@@ -41,7 +41,7 @@ import scala.collection.mutable.ArrayBuffer
 class TPCHSuite extends QueryTest with SharedSparkSession {
 
   private val MAX_DIRECT_MEMORY = "6g"
-  private val TPCH_QUERIES_RESOURCE = "tpch-queries"
+  private val TPCH_QUERIES_RESOURCE = "tpch"
   private val TPCH_WRITE_PATH = "/tmp/tpch-generated"
 
   private var runner: TPCRunner = _