MediaProxyCacheControllerTest: Fix tests.

test/pleroma/web/admin_api/controllers/media_proxy_cache_controller_test.exs

@@ -5,9 +5,11 @@
 defmodule Pleroma.Web.AdminAPI.MediaProxyCacheControllerTest do
   use Pleroma.Web.ConnCase
 
-  import Pleroma.Factory
   import Mock
+  import Mox
+  import Pleroma.Factory
 
+  alias Pleroma.UnstubbedConfigMock, as: ConfigMock
   alias Pleroma.Web.MediaProxy
 
   setup do: clear_config([:media_proxy])
@@ -128,6 +130,9 @@ test "perform invalidates cache of MediaProxy", %{conn: conn} do
         "http://example.com/media/fb1f4d.jpg"
       ]
 
+      ConfigMock
+      |> stub_with(Pleroma.Test.StaticConfig)
+
       with_mocks [
         {MediaProxy.Invalidation.Script, [],
          [
@@ -150,6 +155,9 @@ test "perform invalidates cache of MediaProxy and adds url to banned", %{conn: c
         "http://example.com/media/fb1f4d.jpg"
       ]
 
+      ConfigMock
+      |> stub_with(Pleroma.Test.StaticConfig)
+
       with_mocks [{MediaProxy.Invalidation.Script, [], [purge: fn _, _ -> {"ok", 0} end]}] do
         conn
         |> put_req_header("content-type", "application/json")