Add test

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

test/pleroma/notification_test.exs

@@ -128,6 +128,21 @@ test "does not create a notification for subscribed users if status is a reply"
       subscriber_notifications = Notification.for_user(subscriber)
       assert Enum.empty?(subscriber_notifications)
     end
+
+    test "does not create subscriber notification if mentioned" do
+      user = insert(:user)
+      subscriber = insert(:user)
+
+      User.subscribe(subscriber, user)
+
+      {:ok, status} = CommonAPI.post(user, %{status: "mentioning @#{subscriber.nickname}"})
+      {:ok, [notification] = notifications} = Notification.create_notifications(status)
+
+      assert length(notifications) == 1
+
+      assert notification.user_id == subscriber.id
+      assert notification.type == "mention"
+    end
   end
 
   test "create_poll_notifications/1" do