Create tombstone instead of object deletion

test/web/activity_pub/activity_pub_test.exs

@@ -478,7 +478,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
 
       assert Repo.get(Activity, delete.id) != nil
 
-      assert Repo.get(Object, object.id) == nil
+      assert Repo.get(Object, object.id).data["type"] == "tombstone"
     end
   end
 

test/web/activity_pub/transmogrifier_test.exs

@@ -363,7 +363,7 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
 
       {:ok, %Activity{local: false}} = Transmogrifier.handle_incoming(data)
 
-      refute Repo.get(Activity, activity.id)
+      assert Repo.get(Activity, activity.id).data["type"] == "tombstone"
     end
 
     test "it fails for incoming deletes with spoofed origin" do

test/web/mastodon_api/mastodon_api_controller_test.exs

@@ -292,7 +292,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
 
       assert %{} = json_response(conn, 200)
 
-      assert Repo.get(Activity, activity.id) == nil
+      assert Repo.get(Activity, activity.id).data["type"] == "tombstone"
     end
 
     test "when you didn't create it", %{conn: conn} do