Fix whitespace and remove debug logger

Author: Steve Vaughan Jr

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgrade.java

@@ -83,7 +83,7 @@ public static void runCmd(DFSAdmin dfsadmin, boolean success,
   }
 
   @Rule
-  public TemporaryFolder folder= new TemporaryFolder();
+  public TemporaryFolder folder = new TemporaryFolder();
 
   /**
    * Create a default HDFS configuration which has test-specific data directories.  This is
@@ -427,7 +427,7 @@ private static void rollbackRollingUpgrade(Path foo, Path bar,
   public void testDFSAdminDatanodeUpgradeControlCommands() throws Exception {
     // start a cluster
     final Configuration conf = getHdfsConfiguration();
-    try (MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build()){
+    try (MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build()) {
       cluster.waitActive();
       final DFSAdmin dfsadmin = new DFSAdmin(conf);
       DataNode dn = cluster.getDataNodes().get(0);

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestGetJournalEditServlet.java

@@ -21,8 +21,6 @@
 import org.apache.hadoop.hdfs.HdfsConfiguration;
 import org.apache.hadoop.hdfs.web.resources.UserParam;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.log4j.Level;
-import org.apache.log4j.LogManager;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
@@ -43,8 +41,6 @@ public class TestGetJournalEditServlet {
 
   @BeforeClass
   public static void setUp() throws ServletException {
-    LogManager.getLogger(GetJournalEditServlet.class).setLevel(Level.DEBUG);
-
     // Configure Hadoop
     CONF.set(DFSConfigKeys.FS_DEFAULT_NAME_KEY, "hdfs://localhost:4321/");
     CONF.set(DFSConfigKeys.HADOOP_SECURITY_AUTH_TO_LOCAL,