HADOOP-15853. TestConfigurationDeprecation leaves behind a temp file, resulting in a license issue (ayushtkn via rkanter)

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestConfigurationDeprecation.java

@@ -77,6 +77,7 @@ public class TestConfigurationDeprecation {
     new File(CONFIG).delete();
     new File(CONFIG2).delete();
     new File(CONFIG3).delete();
+    new File(CONFIG4).delete();
   }
   
   private void startConfig() throws IOException{