Enable quokka with :module_directives rule

test/music_brainz_test.exs

@@ -1,10 +1,11 @@
 defmodule MusicBrainzTest do
   use ExUnit.Case, async: true
 
-  alias MusicBrainz.ReleaseGroupSearchResult
   import MusicBrainz.Fixtures.Release
   import MusicBrainz.Fixtures.ReleaseGroup
 
+  alias MusicBrainz.ReleaseGroupSearchResult
+
   describe "search_release_group/2" do
     test "it returns results with correct limit and offset" do
       results = release_group_search_results()