Fix more Logger warn -> warning

test/mix/tasks/pleroma/ecto/migrate_test.exs

@@ -9,7 +9,7 @@ defmodule Mix.Tasks.Pleroma.Ecto.MigrateTest do
 
   test "ecto.migrate info message" do
     level = Logger.level()
-    Logger.configure(level: :warn)
+    Logger.configure(level: :warning)
 
     assert capture_log(fn ->
              Mix.Tasks.Pleroma.Ecto.Migrate.run()

test/mix/tasks/pleroma/ecto/rollback_test.exs

@@ -9,7 +9,7 @@ defmodule Mix.Tasks.Pleroma.Ecto.RollbackTest do
 
   test "ecto.rollback info message" do
     level = Logger.level()
-    Logger.configure(level: :warn)
+    Logger.configure(level: :warning)
 
     assert capture_log(fn ->
              Mix.Tasks.Pleroma.Ecto.Rollback.run(["--env", "test"])

test/pleroma/config_db_test.exs

@@ -443,13 +443,13 @@ test "complex keyword with nested mixed childs" do
 
     test "common keyword" do
       assert ConfigDB.to_elixir_types([
-               %{"tuple" => [":level", ":warn"]},
+               %{"tuple" => [":level", ":warning"]},
                %{"tuple" => [":meta", [":all"]]},
                %{"tuple" => [":path", ""]},
                %{"tuple" => [":val", nil]},
                %{"tuple" => [":webhook_url", "https://hooks.slack.com/services/YOUR-KEY-HERE"]}
              ]) == [
-               level: :warn,
+               level: :warning,
                meta: [:all],
                path: "",
                val: nil,