def setUpClass(cls):
        super(TestStockQuantityChangeReason, cls).setUpClass()

        # MODELS
        cls.stock_move = cls.env["stock.move"]
        cls.product_product_model = cls.env["product.product"]
        cls.product_category_model = cls.env["product.category"]
        cls.wizard_model = cls.env["stock.change.product.qty"]
        cls.preset_reason_id = cls.env["stock.inventory.line.reason"]
        cls.stock_location = cls.env.ref("stock.stock_location_stock")

        # INSTANCES
        cls.category = cls.product_category_model.create({"name": "Physical (test)"})