(fix): test to use cassandra notifications

Spec/Core/Notification/ManagerSpec.php

@@ -9,6 +9,7 @@ use Minds\Core\Notification\Notification;
 use Minds\Core\Notification\Repository;
 use Minds\Core\Notification\CassandraRepository;
 use Minds\Core\Features\Manager as FeaturesManager;
+use Minds\Entities\User;
 use PhpSpec\ObjectBehavior;
 use Prophecy\Argument;
 
@@ -46,9 +47,13 @@ class ManagerSpec extends ObjectBehavior
  $this->shouldHaveType(Manager::class);
  }
 
- function it_should_get_a_single_notification(Notification $notification)
+ function it_should_get_a_single_notification(Notification $notification, User $user)
  {
- $this->repository->get('1234')
+ $this->setUser($user);
+ $user->getGUID()
+ ->willReturn(456);
+
+ $this->cassandraRepository->get('urn:notification:456-1234')
  ->shouldBeCalled()
  ->willReturn($notification);