add tests

test/notification_test.exs

@@ -31,6 +31,9 @@ defmodule Pleroma.NotificationTest do
       assert notified_ids == [other_user.id, third_user.id]
       assert notification.activity_id == activity.id
       assert other_notification.activity_id == activity.id
+
+      assert [%Pleroma.Marker{unread_count: 2}] =
+               Pleroma.Marker.get_markers(other_user, ["notifications"])
     end
 
     test "it creates a notification for subscribed users" do