$this->container->pageCacheManager = $this->createMock(PageCacheManager::class);
$this->container->pageCacheManager->expects(static::once())->method('invalidateCaches');
$this->container->pageCacheManager = $this->createMock(PageCacheManager::class);
$this->container->pageCacheManager->expects(static::once())->method('invalidateCaches');