YARN-11764. Fix CheckStyle.

Author: fanshilun

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestSchedConfCLI.java

@@ -178,7 +178,7 @@ public void testGetSchedulerConf() throws Exception {
     ByteArrayOutputStream sysOutStream = new ByteArrayOutputStream();
     PrintStream sysOut = new PrintStream(sysOutStream);
     System.setOut(sysOut);
-    
+
     int exitCode = cli.getSchedulerConf("", target());
     assertEquals("SchedConfCLI failed to run", 0, exitCode);
     assertTrue("Failed to get scheduler configuration",
@@ -187,7 +187,7 @@ public void testGetSchedulerConf() throws Exception {
 
   @Test(timeout = 10000)
   public void testFormatSchedulerConf() throws Exception {
-    
+
     ResourceScheduler scheduler = rm.getResourceScheduler();
     MutableConfigurationProvider provider =
         ((MutableConfScheduler) scheduler).getMutableConfProvider();