YARN-7185. [Addendum patch] Minor javadoc and checkstyle fix.

(cherry picked from commit a1c398e0dc85e424b45c50a3c3a0a784c04ed737)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/TestContainerSchedulerBehaviorCompatibility.java

@@ -36,7 +36,8 @@ import java.util.Arrays;
 import java.util.List;
 
 /**
- * Make sure CantainerScheduler related changes are compatible to old behaviors
+ * Make sure ContainerScheduler related changes are compatible
+ * with old behavior.
  */
 public class TestContainerSchedulerBehaviorCompatibility
     extends BaseContainerManagerTest {
@@ -73,7 +74,8 @@ public class TestContainerSchedulerBehaviorCompatibility
             context.getContainerTokenSecretManager(), null,
             ExecutionType.GUARANTEED)));
 
-    StartContainersRequest allRequests = StartContainersRequest.newInstance(list);
+    StartContainersRequest allRequests =
+        StartContainersRequest.newInstance(list);
     containerManager.startContainers(allRequests);
 
     ContainerScheduler cs = containerManager.getContainerScheduler();