YARN-11262. Fix CheckStyle.

Author: slfan1989

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

@@ -1071,7 +1071,7 @@ public void testAppRunningFailed(boolean pIsSecurityEnabled) throws Exception {
     RMApp application = testCreateAppRunning(null);
     RMAppAttempt appAttempt = application.getCurrentAppAttempt();
     int expectedAttemptId = 1;
-    assertEquals(expectedAttemptId, 
+    assertEquals(expectedAttemptId,
         appAttempt.getAppAttemptId().getAttemptId());
     // RUNNING => FAILED/RESTARTING event RMAppEventType.ATTEMPT_FAILED
     assertTrue(maxAppAttempts > 1);
@@ -1083,7 +1083,7 @@ public void testAppRunningFailed(boolean pIsSecurityEnabled) throws Exception {
       rmDispatcher.await();
       assertAppState(RMAppState.ACCEPTED, application);
       appAttempt = application.getCurrentAppAttempt();
-      assertEquals(++expectedAttemptId, 
+      assertEquals(++expectedAttemptId,
           appAttempt.getAppAttemptId().getAttemptId());
       event = 
           new RMAppEvent(application.getApplicationId(),