YARN-2109. Fix TestRM to work with both schedulers. (Anubhav Dhoot via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1605142 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -181,6 +181,8 @@ Release 2.5.0 - UNRELEASED
     YARN-2192. TestRMHA fails when run with a mix of Schedulers.
     (Anubhav Dhoot via kasha)
 
+    YARN-2109. Fix TestRM to work with both schedulers. (Anubhav Dhoot via kasha)
+
   OPTIMIZATIONS
 
   BUG FIXES 

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

@@ -28,6 +28,9 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
+import org.junit.After;
 import org.junit.Assert;
 
 import org.apache.commons.logging.Log;
@@ -78,7 +81,14 @@ public class TestRM {
 
   // Milliseconds to sleep for when waiting for something to happen
   private final static int WAIT_SLEEP_MS = 100;
-  
+
+  @After
+  public void tearDown() {
+    ClusterMetrics.destroy();
+    QueueMetrics.clearQueueMetrics();
+    DefaultMetricsSystem.shutdown();
+  }
+
   @Test
   public void testGetNewAppId() throws Exception {
     Logger rootLogger = LogManager.getRootLogger();