OrderPersister example

$repository->method('search')->willReturn(
            new EntitySearchResult(
                'order',
                1,
                new EntityCollection([$order]),
                null,
                new Criteria(),
                Context::createDefaultContext()
            )
        );

        $persister = new OrderPersister($repository, $this->orderConverter);

        $persister->persist($cart, $this->getSalesChannelContext());
    }

    public function testSaveWithMissingLabel(): void
    {
        $cart = new Cart('a-b-c');
        $cart->add(
            (new LineItem('test', LineItem::CREDIT_LINE_ITEM_TYPE))
                ->setPriceDefinition(new AbsolutePriceDefinition(1))
        );