DEV: Fix randomlly failing spec.

DEV: Fix randomlly failing spec.

diff --git a/spec/requests/notifications_controller_spec.rb b/spec/requests/notifications_controller_spec.rb
index e22721f..19a525d 100644
--- a/spec/requests/notifications_controller_spec.rb
+++ b/spec/requests/notifications_controller_spec.rb
@@ -106,7 +106,7 @@ describe NotificationsController do
 
       describe '#update' do
         it "can't update notification" do
-          update_notification(8, 403, :to_not)
+          update_notification(Fabricate(:topic).id, 403, :to_not)
         end
       end
 
@@ -160,7 +160,7 @@ describe NotificationsController do
 
     describe '#update' do
       it "can't update notification" do
-        update_notification(8, 403, :to_not)
+        update_notification(Fabricate(:topic).id, 403, :to_not)
       end
     end

GitHub sha: 4dee7ed6