OpenGraphTest: Fix test

test/pleroma/web/metadata/providers/open_graph_test.exs

@@ -4,9 +4,19 @@
 
 defmodule Pleroma.Web.Metadata.Providers.OpenGraphTest do
   use Pleroma.DataCase
+  import Mox
   import Pleroma.Factory
+
+  alias Pleroma.UnstubbedConfigMock, as: ConfigMock
   alias Pleroma.Web.Metadata.Providers.OpenGraph
 
+  setup do
+    ConfigMock
+    |> stub_with(Pleroma.Test.StaticConfig)
+
+    :ok
+  end
+
   setup do: clear_config([Pleroma.Web.Metadata, :unfurl_nsfw])
 
   test "it renders all supported types of attachments and skips unknown types" do