Fix tests

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/service/notifier/email.ex

@@ -14,7 +14,7 @@ defmodule Mobilizon.Service.Notifier.Email do
 
   @impl Notifier
   def ready? do
-    Config.get(__MODULE__, :enabled)
+    Config.get([__MODULE__, :enabled])
   end
 
   def send(user, activity, options \\ [])

lib/service/notifier/filter.ex

@@ -11,8 +11,11 @@ defmodule Mobilizon.Service.Notifier.Filter do
   @spec can_send_activity?(Activity.t(), method(), User.t(), function()) :: boolean()
   def can_send_activity?(%Activity{} = activity, method, %User{} = user, get_default) do
     case map_activity_to_activity_setting(activity) do
-      false -> false
-      key -> user |> Users.activity_setting(key, method) |> enabled?(key, get_default)
+      false ->
+        false
+
+      key when is_binary(key) ->
+        user |> Users.activity_setting(key, method) |> enabled?(key, get_default)
     end
   end
 

lib/service/notifier/push.ex

@@ -14,7 +14,7 @@ defmodule Mobilizon.Service.Notifier.Push do
 
   @impl Notifier
   def ready? do
-    Config.get(__MODULE__, :enabled)
+    Config.get([__MODULE__, :enabled])
   end
 
   @impl Notifier