RouteEventSubscriber example

$request = new Request();
        $request->attributes->set('_route', 'frontend.home.page');

        $event = new RequestEvent($this->createMock(Kernel::class), $request, HttpKernelInterface::MAIN_REQUEST);

        $listener = $this->getMockBuilder(CallableClass::class)->getMock();
        $listener->expects(static::once())->method('__invoke');

        $dispatcher = new EventDispatcher();
        $dispatcher->addListener('frontend.home.page.request', $listener);

        $subscriber = new RouteEventSubscriber($dispatcher);
        $subscriber->request($event);
    }

    public function testResponseEvent(): void
    {
        $request = new Request();
        $request->attributes->set('_route', 'frontend.home.page');

        $event = new ResponseEvent($this->createMock(Kernel::class), $request, HttpKernelInterface::MAIN_REQUEST, new Response());

        $listener = $this->getMockBuilder(CallableClass::class)->getMock();