YARN-2429. TestAMRMTokens.testTokenExpiry fails Intermittently with error message:Invalid AMRMToken (zxu via rkanter)

(cherry picked from commit 99b08a748e7b00a58b63330b353902a6da6aae27)

hadoop-yarn-project/CHANGES.txt

@@ -100,6 +100,9 @@ Release 2.8.0 - UNRELEASED
     YARN-2666. TestFairScheduler.testContinuousScheduling fails Intermittently.
     (Zhihai Xu via ozawa)
 
+    YARN-2429. TestAMRMTokens.testTokenExpiry fails Intermittently with
+    error message:Invalid AMRMToken (zxu via rkanter)
+
 Release 2.7.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestAMRMTokens.java

@@ -107,6 +107,12 @@ public class TestAMRMTokens {
   @SuppressWarnings("unchecked")
   @Test
   public void testTokenExpiry() throws Exception {
+    conf.setLong(
+        YarnConfiguration.RM_AMRM_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS,
+        YarnConfiguration.
+            DEFAULT_RM_AMRM_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS);
+    conf.setLong(YarnConfiguration.RM_AM_EXPIRY_INTERVAL_MS,
+        YarnConfiguration.DEFAULT_RM_AM_EXPIRY_INTERVAL_MS);
 
     MyContainerManager containerManager = new MyContainerManager();
     final MockRMWithAMS rm =