YARN-11433. Fix CheckStyle.

Author: slfan1989

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-globalpolicygenerator/src/test/java/org/apache/hadoop/yarn/server/globalpolicygenerator/TestGlobalPolicyGenerator.java

@@ -72,7 +72,7 @@ public void testGPGCLI() {
     assertTrue(dataErr.toString().contains(
         "Usage: yarn gpg [-format-policy-store]"));
   }
-  
+
   @Test
   public void testUserProvidedUGIConf() throws Exception {
     String errMsg = "Invalid attribute value for " +

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/Router.java

@@ -256,7 +256,8 @@ public static void main(String[] argv) {
           // TODO: YARN-11548. [Federation] Router Supports Format FederationStateStore.
           System.err.println("format-state-store is not yet supported.");
         } else if (argv[0].equals("-remove-application-from-state-store") && argv.length == 2) {
-          // TODO: YARN-11547. [Federation] Router Supports Remove individual application records from FederationStateStore.
+          // TODO: YARN-11547. [Federation]
+          //  Router Supports Remove individual application records from FederationStateStore.
           System.err.println("remove-application-from-state-store is not yet supported.");
         } else {
           printUsage(System.err);
@@ -314,6 +315,7 @@ public FedAppReportFetcher getFetcher() {
   }
 
   private static void printUsage(PrintStream out) {
-    out.println("Usage: yarn router [-format-state-store] | [-remove-application-from-state-store <appId>]");
+    out.println("Usage: yarn router [-format-state-store] | " +
+        "[-remove-application-from-state-store <appId>]");
   }
 }

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

@@ -401,6 +401,7 @@ public void testRouterCLI() {
     System.setErr(new PrintStream(dataErr));
     Router.main(new String[]{"-help", "-format-state-store"});
     assertTrue(dataErr.toString().contains(
-        "Usage: yarn router [-format-state-store] | [-remove-application-from-state-store <appId>]"));
+        "Usage: yarn router [-format-state-store] | " +
+        "[-remove-application-from-state-store <appId>]"));
   }
 }