Tweaks to clear_config calls in tests in order to prevent side effects on config during test suite execution.

test/web/activity_pub/mrf/hellthread_policy_test.exs

@@ -26,6 +26,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicyTest do
     [user: user, message: message]
   end
 
+  clear_config(:mrf_hellthread)
+
   describe "reject" do
     test "rejects the message if the recipient count is above reject_threshold", %{
       message: message

test/web/activity_pub/mrf/keyword_policy_test.exs

@@ -7,6 +7,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicyTest do
 
   alias Pleroma.Web.ActivityPub.MRF.KeywordPolicy
 
+  clear_config(:mrf_keyword)
+
   setup do
     Pleroma.Config.put([:mrf_keyword], %{reject: [], federated_timeline_removal: [], replace: []})
   end

test/web/activity_pub/mrf/mention_policy_test.exs

@@ -7,6 +7,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.MentionPolicyTest do
 
   alias Pleroma.Web.ActivityPub.MRF.MentionPolicy
 
+  clear_config(:mrf_mention)
+
   test "pass filter if allow list is empty" do
     Pleroma.Config.delete([:mrf_mention])
 

test/web/activity_pub/mrf/subchain_policy_test.exs

@@ -14,6 +14,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicyTest do
     "object" => %{"content" => "hi"}
   }
 
+  clear_config([:mrf_subchain, :match_actor])
+
   test "it matches and processes subchains when the actor matches a configured target" do
     Pleroma.Config.put([:mrf_subchain, :match_actor], %{
       ~r/^https:\/\/banned.com/s => [DropPolicy]