diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/lib/input/TestCombineTextInputFormat.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/lib/input/TestCombineTextInputFormat.java
index d36b30f863b..0b44ca610a9 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/lib/input/TestCombineTextInputFormat.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/lib/input/TestCombineTextInputFormat.java
@@ -72,7 +72,7 @@ public class TestCombineTextInputFormat {
     new Path(new Path(System.getProperty("test.build.data", "."), "data"),
              "TestCombineTextInputFormat");
 
-  @Test//(timeout=10000)
+  @Test(timeout=10000)
   public void testFormat() throws Exception {
     Job job = Job.getInstance(new Configuration(defaultConf));