ChatMessageReferenceView: Fix test

test/pleroma/web/pleroma_api/views/chat_message_reference_view_test.exs

@@ -8,16 +8,21 @@ defmodule Pleroma.Web.PleromaAPI.ChatMessageReferenceViewTest do
   alias Pleroma.Chat
   alias Pleroma.Chat.MessageReference
   alias Pleroma.Object
+  alias Pleroma.UnstubbedConfigMock, as: ConfigMock
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.PleromaAPI.Chat.MessageReferenceView
 
+  import Mox
   import Pleroma.Factory
 
   test "it displays a chat message" do
     user = insert(:user)
     recipient = insert(:user)
 
+    ConfigMock
+    |> stub_with(Pleroma.Test.StaticConfig)
+
     file = %Plug.Upload{
       content_type: "image/jpeg",
       path: Path.absname("test/fixtures/image.jpg"),