public function testGetOriginalPrice() { $price = 9.99; $this->model->setPrice($price); $this->assertEquals($price, $this->model->getOriginalPrice()); $originalPrice = 5.55; $this->model->setData(\Magento\Sales\Api\Data\OrderItemInterface::ORIGINAL_PRICE, $originalPrice); $this->assertEquals($originalPrice, $this->model->getOriginalPrice()); }