public function testBackOrderPriority()
 {
     $BackOrderHandlerTask = new BackOrderHandlerTask(null, null, null);
     $this->test_order = new TestOrder(['database' => 'test', 'presenter_id' => 1, 'user_id' => 1, 'items' => [['qty' => 1, 'sku' => 'US-11803-02']], 'address' => $this->addresses['US']]);
     $order_id = $this->test_order->create_test_order();
     $this->Order->id = $order_id;
     $order = $this->Order->loadDisplayDetails();
     $type_id = $order['OrderCustomer']['OrderItem'][0]['order_item_type_id'];
     $order_item_id = $order['OrderCustomer']['OrderItem'][0]['id'];
     $process_outcome = $BackOrderHandlerTask->processShipment($order_item_id, FALSE);
     $snap = new Snap();
     $snap->shipment_items = $order['OrderCustomer']['OrderItem'];
     $shipment_priority = $snap->findShipmentPriority();
     $this->assertTrue($process_outcome);
     $this->assertEquals('2', $type_id);
     $this->assertEquals('2', $shipment_priority);
 }