onSystemConfigChanged example

$this->createMock(ErrorController::class),
            $this->createMock(RequestStack::class),
            $this->createMock(SalesChannelContextServiceInterface::class),
            true,
            $this->createMock(CacheInterface::class),
            $this->createMock(AbstractCacheTracer::class),
            $this->createMock(EntityCacheKeyGenerator::class),
            $cacheInvalidator,
            new EventDispatcher()
        );

        $subscriber->onSystemConfigChanged(new SystemConfigChangedEvent($key, 'foo', null));
    }

    /** * @return iterable<string, array<mixed>> */
    public static function providerSystemConfigKeys(): iterable
    {
        yield 'key matches' => [
            'core.basicInformation.http404Page',
            true,
        ];