fix checkstyle.

Author: zhtttylz

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

@@ -1959,7 +1959,7 @@ public void testGet() throws IOException {
  conf.setInt(HdfsClientConfigKeys.Retry.WINDOW_BASE_KEY, 10);
  TestGetRunner runner = new TestGetRunner() {
  private int count = 0;
- private final FsShell shell = new FsShell(conf);
+  private final FsShell shell = new FsShell(conf);
 
  public String run(int exitcode, String... options) throws IOException {
  String dst = new File(TEST_ROOT_DIR, fname + ++count)
@@ -3304,6 +3304,7 @@ private void doSetXattr(ByteArrayOutputStream out, FsShell fshell,
  *
  * As SuperUser: Set an Xattr with Trusted (Should pass)
  */
+ @SuppressWarnings("checkstyle:MethodLength")
  @Test
  @Timeout(value = 30)
  public void testSetXAttrPermissionAsDifferentOwner() throws Exception {