/**
  * Test calling handlers when delete model
  *
  * - expected one-time calling handler RelationBehavior::afterDelete
  */
 public function testTriggerEventDelete()
 {
     $mockBehavior = $this->getMock(RelationBehavior::class, ['afterDelete']);
     $mockBehavior->relationalFields = ['file', 'images', 'news_files'];
     $mockBehavior->expects($this->once())->method('afterDelete');
     $model = FakeNewsModel::findOne($this->model->id);
     $model->detachBehaviors();
     $model->attachBehavior('rel', $mockBehavior);
     $model->delete();
 }