diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
index c9a7d2d083..fbeb94a2a1 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
@@ -1119,6 +1119,7 @@ protected void processDoneFiles(JobId jobId) throws IOException {
 class JHEventHandlerForSigtermTest extends JobHistoryEventHandler {
   public JHEventHandlerForSigtermTest(AppContext context, int startCount) {
     super(context, startCount);
+    JobHistoryEventHandler.fileMap.clear();
   }
 
   public void addToFileMap(JobId jobId) {