add test rule

Author: Apache9

hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRestartWithEmptyWALDirectory.java

@@ -21,6 +21,7 @@
 
 import java.io.IOException;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.HBaseClassTestRule;
 import org.apache.hadoop.hbase.HBaseTestingUtil;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
@@ -33,6 +34,7 @@
 import org.apache.hadoop.hbase.util.CommonFSUtils;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
+import org.junit.ClassRule;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
@@ -43,6 +45,10 @@
 @Category({ MasterTests.class, MediumTests.class })
 public class TestRestartWithEmptyWALDirectory {
 
+  @ClassRule
+  public static final HBaseClassTestRule CLASS_RULE =
+      HBaseClassTestRule.forClass(TestRestartWithEmptyWALDirectory.class);
+
   private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();
 
   private static TableName NAME = TableName.valueOf("test");