diff --git a/connector/connect/client/jvm/src/test/scala/org/apache/spark/sql/test/RemoteSparkSession.scala b/connector/connect/client/jvm/src/test/scala/org/apache/spark/sql/test/RemoteSparkSession.scala
index 3444e2d7544e0..8041c2a4a1328 100644
--- a/connector/connect/client/jvm/src/test/scala/org/apache/spark/sql/test/RemoteSparkSession.scala
+++ b/connector/connect/client/jvm/src/test/scala/org/apache/spark/sql/test/RemoteSparkSession.scala
@@ -83,6 +83,9 @@ object SparkConnectServerUtils {
     if (isDebug) {
       builder.redirectError(Redirect.INHERIT)
       builder.redirectOutput(Redirect.INHERIT)
+    } else {
+      builder.redirectError(Redirect.DISCARD)
+      builder.redirectOutput(Redirect.DISCARD)
     }
 
     val process = builder.start()