Update ProgressTrackerBase.scala

core/src/main/scala/org/apache/spark/eventhubscommon/progress/ProgressTrackerBase.scala

@@ -37,6 +37,7 @@ private[spark] abstract class ProgressTrackerBase[T <: EventHubsConnector](
     appName)
   private[spark] lazy val tempDirectoryStr = PathTools.makeTempDirectoryStr(progressDir, appName)
   private[spark] lazy val metadataDirectoryStr = PathTools.makeMetadataDirectoryStr(progressDir,
+    appName)                                                                                
 
   private[spark] lazy val progressDirectoryPath = new Path(progressDirectoryStr)
   private[spark] lazy val tempDirectoryPath = new Path(tempDirectoryStr)