private function assignDefaultOrganization(TenantInterface $tenant)
 {
     if (null === $tenant->getOrganization()) {
         $organization = $this->get('swp.repository.organization')->findOneByName(OrganizationInterface::DEFAULT_NAME);
         if (null === $organization) {
             throw $this->createNotFoundException('Default organization was not found.');
         }
         $tenant->setOrganization($organization);
     }
     return $tenant;
 }