protected function setUpRootNodeAndRepository()
{
$this->contextFactory = $this->objectManager->get(ContextFactory::class);
$this->context = $this->contextFactory->create(array('workspaceName' => 'live'));
$this->nodeDataRepository = $this->objectManager->get(NodeDataRepository::class);
$this->workspaceRepository = $this->objectManager->get(WorkspaceRepository::class);
$this->workspaceRepository->add(new Workspace('live'));
$this->nodeTypeManager = $this->objectManager->get(NodeTypeManager::class);
$this->rootNode = $this->context->getNode('/');
$this->persistenceManager->persistAll();
}