Fix tests

lib/pleroma/ecto_type/activity_pub/object_validators/map_of_string.ex

@@ -9,7 +9,7 @@ defmodule Pleroma.EctoType.ActivityPub.ObjectValidators.MapOfString do
 
   def type, do: :map
 
-  def cast(object) do
+  def cast(%{} = object) do
     with {status, %{} = data} when status in [:modified, :ok] <-
            MultiLanguage.validate_map(object) do
       {:ok, data}
@@ -19,6 +19,8 @@ def cast(object) do
     end
   end
 
+  def cast(_), do: :error
+
   def dump(data), do: {:ok, data}
 
   def load(data), do: {:ok, data}

lib/pleroma/web/common_api/activity_draft.ex

@@ -159,7 +159,10 @@ defp language(%{params: %{language: language}} = draft) do
     if MultiLanguage.is_good_locale_code?(language) do
       %__MODULE__{draft | language: language}
     else
-      add_error(draft, dgettext("errors", "language \"%{language}\" is invalid", language: language))
+      add_error(
+        draft,
+        dgettext("errors", "language \"%{language}\" is invalid", language: language)
+      )
     end
   end