YARN-3256. TestClientToAMTokens#testClientTokenRace is not running against

all Schedulers even when using ParameterizedSchedulerTestBase. Contributed
by Anubhav Dhoot.

hadoop-yarn-project/CHANGES.txt

@@ -658,6 +658,10 @@ Release 2.7.0 - UNRELEASED
     YARN-3239. WebAppProxy does not support a final tracking url which has
     query fragments and params (Jian He via jlowe)
 
+    YARN-3256. TestClientToAMTokens#testClientTokenRace is not running against 
+    all Schedulers even when using ParameterizedSchedulerTestBase. 
+    (Anubhav Dhoot via devaraj)
+
 Release 2.6.0 - 2014-11-18
 
   INCOMPATIBLE CHANGES

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

@@ -33,7 +33,6 @@ import java.net.InetSocketAddress;
 import java.nio.ByteBuffer;
 import java.security.PrivilegedAction;
 import java.security.PrivilegedExceptionAction;
-import java.util.Arrays;
 import java.util.Timer;
 import java.util.TimerTask;
 
@@ -43,7 +42,6 @@ import org.junit.Assert;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
-import org.apache.hadoop.io.DataInputBuffer;
 import org.apache.hadoop.ipc.RPC;
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.ipc.Server;
@@ -421,7 +419,6 @@ public class TestClientToAMTokens extends ParameterizedSchedulerTestBase {
   @Test(timeout=20000)
   public void testClientTokenRace() throws Exception {
 
-    final Configuration conf = new Configuration();
     conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION,
       "kerberos");
     UserGroupInformation.setConfiguration(conf);