accessAddCartErrors example

$container->method('get')
            ->willReturnMap([
                $this->getRequestStack(),
                $this->getRouter(),
                $this->getTranslator($cart->getErrors()),
            ]);

        $controller = new TestController();

        $controller->setContainer($container);
        $controller->accessAddCartErrors($cart);

        static::assertNotEmpty($cart->getErrors()->getElements());
    }

    public function testStorefrontRenderViewinheritance(): void
    {
        $twig = $this->createFinder([
            new BundleFixture('TestPlugin1', __DIR__ . '/fixtures/Plugins/TestPlugin1/'),
            new BundleFixture('Storefront', __DIR__ . '/fixtures/Storefront/'),
        ]);