public function test_deleteAll_ShouldRemoveTheEntireEntry()
 {
     $this->storage->setValue($this->setting, 'myRandomVal');
     $this->storage->save();
     $this->storage->deleteAllValues();
     $this->assertFalse($this->getValueFromOptionTable());
 }
 public function save()
 {
     parent::save();
     self::clearCache();
 }