protected function tearDown()
 {
     parent::tearDown();
     foreach ($this->tablesUsed as $table) {
         $this->db->delete($table, '*', __METHOD__);
     }
 }
 protected function tearDown()
 {
     parent::tearDown();
 }
 protected function tearDown()
 {
     \MessageCache::singleton()->disable();
     parent::tearDown();
 }