unique_with on update always says combination exists (2.0.1 ) about uniquewith-validator HOT 2 CLOSED

public function rules()
{
    return [
        'name' => 'required|min:3,
        'price' =>'required'
    ];
}

public function rules()
    {
        switch($this->method())
        {
            case 'POST':
            {
                return [
                    'name' => 'required|min:3|unique_with:products,category_id',
                    'price' =>'required'
                ];
            }
            case 'PATCH':
            {
                return [
                    'name' => 'required|min:3|unique_with:products,category_id,'.$this->products->id,
                    'price' =>'required'
                ];
            }
        }