fetchActiveTemplates example

        $this->loadAppsFromDir(__DIR__ . '/../../Theme/fixtures/Apps/theme', false);

        $criteria = new Criteria();
        $criteria->addFilter(new EqualsFilter('name', 'SwagTheme'));

        $appId = $this->appRepo->searchIds($criteria, Context::createDefaultContext())->firstId();
        static::assertNotNull($appId);

        $this->templateStateService->activateAppTemplates($appId, Context::createDefaultContext());

        $activeTemplates = $this->fetchActiveTemplates($appId);
        static::assertCount(2, $activeTemplates);
    }

    public function testDeactivateApp(): void
    {
        $this->loadAppsFromDir(__DIR__ . '/../../Theme/fixtures/Apps/theme');

        $criteria = new Criteria();
        $criteria->addFilter(new EqualsFilter('name', 'SwagTheme'));

        $appId = $this->appRepo->searchIds($criteria, Context::createDefaultContext())->firstId();