@AfterMethod(alwaysRun = true)
 @Override
 public void tearDown() throws Exception {
   try {
     super.tearDown();
   } finally {
     RecordingSshTool.clear();
   }
 }
 @BeforeMethod(alwaysRun = true)
 @Override
 public void setUp() throws Exception {
   super.setUp();
   RecordingSshTool.clear();
 }