public function testUpdateExistingUploadCollection()
{
$user = new User();
$user->username = '******';
$user->email = '*****@*****.**';
$user->password = '******';
$user->image_path = [$this->pathToImage, $this->pathToImage];
$user->attachBehavior('multipleUpload', ['class' => behaviors\UploadBehaviour::className(), 'multiple' => true, 'fields' => ['image_path']]);
$user->save();
$user->trigger(yii\db\ActiveRecord::EVENT_AFTER_FIND);
$collectionId = $user->image_path->id;
$compareUser = User::findOne($user->id);
$compareUser->image_path = [$this->pathToImage];
$compareUser->attachBehavior('multipleUpload', ['class' => behaviors\UploadBehaviour::className(), 'multiple' => true, 'fields' => ['image_path']]);
$compareUser->save();
$compareUser->trigger(yii\db\ActiveRecord::EVENT_AFTER_FIND);
$compareUserCollectionId = $compareUser->image_path->id;
$files = $user->image_path->getUploads();
$this->assertCount(3, $files);
$this->assertEquals($collectionId, $compareUserCollectionId);
}
