diff --git a/spark/src/main/scala/org/apache/spark/sql/delta/sources/DeltaSQLConf.scala b/spark/src/main/scala/org/apache/spark/sql/delta/sources/DeltaSQLConf.scala
index 7c8dff380bf..d3bbdb14dd1 100644
--- a/spark/src/main/scala/org/apache/spark/sql/delta/sources/DeltaSQLConf.scala
+++ b/spark/src/main/scala/org/apache/spark/sql/delta/sources/DeltaSQLConf.scala
@@ -429,7 +429,7 @@ trait DeltaSQLConfBase {
       .doc("Controls whether test features are enabled in testing mode. " +
         "This config is only used for testing purposes. ")
       .booleanConf
-      .createWithDefault(true)
+      .createWithDefault(Utils.isTesting)
 
   val DELTA_MAX_SNAPSHOT_LINEAGE_LENGTH =
     buildConf("maxSnapshotLineageLength")