Question about execution order about atoum HOT 4 OPEN

beforeTestMethod()
testOne()
beforeTestMethod()
testTwo()
....
beforeTestMethod()
testFive()

class PluginxxxAsset extends \DbTestCase{

   public function beforeTestMethod($method) {
      global $DB;

      parent::beforeTestMethod($method);
      $config = new \PluginxxxConfig;

      switch($method) {
         case 'testDataOK':
            $config->add(['id' => 1, 
                           'endpoint' => '127.0.0.1:8020',
                           'user' => 'xxx', 
                           'password' =>'xxx',
                           'header' => 'blabla',
                           'get_from_serial_method' => 'blabla']);
            break;
         case 'testDataNOK':
            $config->add(['id' => 1, 
                           'endpoint' => '127.0.0.1:8020',
                           'user' => 'xxx', 
                           'password' => xxx),
                           'header' => 'blabla',
                           'get_from_serial_method' => 'blabla']);
            break;
         default:
            $config->add(['id' => 1, 
                           'endpoint' => 'xxx',
                           'user' => 'user', 
                           'password' => xxx,
                           'header' => 'blabla',
                           'get_from_serial_method' => 'blabbla']);
            
            break;
      }
   }

   public function afterTestMethod($method) {
      global $DB;
      parent::afterTestMethod($method);
   }

   public function testGetAssetIdBySerialOK() {
      global $DB;
      $DB->beginTransaction();
      $this
         ->given($obj = new \PluginxxxAsset())
         ->if($datas = $obj->getAssetIdBySerial('xxx'))
         ->then($this->integer($datas)->isEqualTo(xxx));
      $DB->rollBack();
   }
   public function testGetAssetIdBySerialNOK() {
      global $DB;
      $DB->beginTransaction();
      $this
         ->given($obj = new \PluginxxxAsset())
         ->if($datas = $obj->getAssetIdBySerial('xxx'))
         ->then($this->boolean($datas)->isFalse());
      $DB->rollBack();
   }
   public function testGetAssetIdBySerialEmptySerial() {
      global $DB;
      $DB->beginTransaction();
      $this
         ->given($obj = new \PluginxxxAsset())
         ->if($datas = $obj->getAssetIdBySerial(''))
         ->then($this->boolean($datas)->isFalse());
      $DB->rollBack();
   }

   public function testDataOK() {
      global $DB;
      echo "function";
      $this
         ->given($obj = new \PluginxxxAsset())
         ->if($datas = $obj->data('get_from_serial_method', false, [ 'serial_number' => 'xxx' ]))
         ->then($this->array($datas)
                        ->hasKey(0)
                     ->array($datas[0])
                        ->hasKeys(['Id', 'SerialNumber'])
                        );
   }

   public function testDataNOK() {
      global $DB;
      echo "function";
      $this
         ->given($obj = new \PluginxxxAsset)
         ->if($datas = $obj->data('get_from_serial_method', false, [ 'serial_number' => 'xxx' ]))
         ->then($this->array($datas)->size->isEqualTo(0));
   }
}