Fix test now that the reject error has more detail

test/pleroma/workers/receiver_worker_test.exs

@@ -16,7 +16,7 @@ defmodule Pleroma.Workers.ReceiverWorkerTest do
 
     with_mock Pleroma.Web.ActivityPub.Transmogrifier,
       handle_incoming: fn _ -> {:reject, "MRF"} end do
-      assert {:cancel, "MRF"} =
+      assert {:cancel, {:reject, "MRF"}} =
                ReceiverWorker.perform(%Oban.Job{
                  args: %{"op" => "incoming_ap_doc", "params" => params}
                })