SnippetFile_UnitTest example

        $this->connection = $this->getContainer()->get(Connection::class);
        $this->translator = $this->getContainer()->get(Translator::class);
        $this->snippetRepository = $this->getContainer()->get('snippet.repository');

        $this->translator->reset();
        $this->translator->warmUp('');
    }

    public function testPassthru(): void
    {
        $snippetFile = new SnippetFile_UnitTest();
        $this->getContainer()->get(SnippetFileCollection::class)->add($snippetFile);

        $stack = $this->getContainer()->get(RequestStack::class);
        $prop = ReflectionHelper::getProperty(RequestStack::class, 'requests');
        $prop->setValue($stack, []);

        // fake request         $request = new Request();
        $request->attributes->set(SalesChannelRequest::ATTRIBUTE_DOMAIN_SNIPPET_SET_ID, $this->getSnippetSetIdForLocale('en-GB'));
        $request->attributes->set(SalesChannelRequest::ATTRIBUTE_DOMAIN_LOCALE, 'en-GB');