YARN-11536. Fix CheckStyle.

Author: slfan1989

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/rmadmin/TestFederationRMAdminInterceptor.java

@@ -31,7 +31,37 @@
 import org.apache.hadoop.yarn.api.records.NodeAttributeType;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.YarnException;
-import org.apache.hadoop.yarn.server.api.protocolrecords.*;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshSuperUserGroupsConfigurationRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshSuperUserGroupsConfigurationResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshUserToGroupsMappingsRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshUserToGroupsMappingsResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshAdminAclsRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshAdminAclsResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshServiceAclsRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshServiceAclsResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.UpdateNodeResourceRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.UpdateNodeResourceResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.AddToClusterNodeLabelsRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.AddToClusterNodeLabelsResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RemoveFromClusterNodeLabelsRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RemoveFromClusterNodeLabelsResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.ReplaceLabelsOnNodeRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.ReplaceLabelsOnNodeResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.CheckForDecommissioningNodesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.CheckForDecommissioningNodesResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.NodesToAttributesMappingRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.AttributeMappingOperationType;
+import org.apache.hadoop.yarn.server.api.protocolrecords.NodeToAttributes;
+import org.apache.hadoop.yarn.server.api.protocolrecords.FederationQueueWeight;
+import org.apache.hadoop.yarn.server.api.protocolrecords.SaveFederationQueuePolicyRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.SaveFederationQueuePolicyResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.BatchSaveFederationQueuePoliciesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.BatchSaveFederationQueuePoliciesResponse;
 import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo;
 import org.apache.hadoop.yarn.server.federation.policies.manager.WeightedLocalityPolicyManager;
 import org.apache.hadoop.yarn.server.federation.store.impl.MemoryFederationStateStore;
@@ -48,7 +78,14 @@
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.text.DecimalFormat;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.Random;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;