HADOOP-19421. Fix CheckStyle Issue.

Author: slfan1989

hadoop-tools/hadoop-aliyun/src/test/java/org/apache/hadoop/fs/aliyun/oss/TestAliyunOSSBlockOutputStream.java

@@ -267,7 +267,7 @@ public void testDirectoryAllocator() throws Throwable {
       LinkedHashSet<String> files = (LinkedHashSet<String>)field.get(name);
       assertTrue(files.isEmpty(), "in DeleteOnExitHook");
       assertFalse(
-         (new ArrayList<>(files)).contains(tmp.getPath()), "in DeleteOnExitHook");
+          (new ArrayList<>(files)).contains(tmp.getPath()), "in DeleteOnExitHook");
     } catch (Exception e) {
       e.printStackTrace();
     }

hadoop-tools/hadoop-aliyun/src/test/java/org/apache/hadoop/fs/aliyun/oss/TestAliyunOSSFileSystemContract.java

@@ -75,7 +75,7 @@ public void testRootDirAlwaysExists() throws Exception {
     //this catches overrides of the base exists() method that don't
     //use getFileStatus() as an existence probe
     assertTrue(
-       fs.exists(super.path("/")), "FileSystem.exists() fails for root");
+        fs.exists(super.path("/")), "FileSystem.exists() fails for root");
   }
 
   @Test
@@ -355,18 +355,18 @@ public void testGetFileStatusFileAndDirectory() throws Exception {
     this.createFile(filePath);
     assertTrue(this.fs.getFileStatus(filePath).isFile(), "Should be file");
     assertFalse(
-       this.fs.getFileStatus(filePath).isDirectory(), "Should not be directory");
+        this.fs.getFileStatus(filePath).isDirectory(), "Should not be directory");
 
     Path dirPath = this.path("/test/oss/dir");
     this.fs.mkdirs(dirPath);
     assertTrue(
-       this.fs.getFileStatus(dirPath).isDirectory(), "Should be directory");
+        this.fs.getFileStatus(dirPath).isDirectory(), "Should be directory");
     assertFalse(this.fs.getFileStatus(dirPath).isFile(), "Should not be file");
 
     Path parentPath = this.path("/test/oss");
     for (FileStatus fileStatus: fs.listStatus(parentPath)) {
       assertTrue(
-         fileStatus.getModificationTime() > 0L, "file and directory should be new");
+          fileStatus.getModificationTime() > 0L, "file and directory should be new");
     }
   }
 

hadoop-tools/hadoop-aliyun/src/test/java/org/apache/hadoop/fs/aliyun/oss/yarn/TestOSS.java

@@ -63,12 +63,12 @@ public void testOSSStatus() throws Exception {
     FsStatus fsStatus = fc.getFsStatus(null);
     assertNotNull(fsStatus);
     assertTrue(
-       fsStatus.getUsed() >= 0, "Used capacity should be positive: " + fsStatus.getUsed());
+        fsStatus.getUsed() >= 0, "Used capacity should be positive: " + fsStatus.getUsed());
     assertTrue(
-       fsStatus.getRemaining() >= 0, "Remaining capacity should be positive: " + fsStatus
+        fsStatus.getRemaining() >= 0, "Remaining capacity should be positive: " + fsStatus
         .getRemaining());
     assertTrue(
-       fsStatus.getCapacity() >= 0, "Capacity should be positive: " + fsStatus.getCapacity());
+        fsStatus.getCapacity() >= 0, "Capacity should be positive: " + fsStatus.getCapacity());
   }
 
   @Test