アイヌ語追加 (#428) (#433)

Reviewed-on: #433
Co-authored-by: miteruzo <miteruzo@naver.com>

backend/spec/support/locale_context.rb

@@ -1,22 +1,17 @@
-RSpec.shared_context 'English locale' do
-  def prepare_english_reference!
-    Language.find_or_create_by!(code: 'en') { _1.name = 'English' }
-    Script.find_or_create_by!(code: 'Latn') { _1.name = 'Latin' }
-    region_class = Class.new(ApplicationRecord) { self.table_name = 'regions' }
-    region_class.find_or_create_by!(code: 826) do |record|
-      record.alpha_code = 'GB'
-      record.name = 'United Kingdom'
-    end
+RSpec.shared_context 'Ainu locale' do
+  def prepare_ainu_reference!
+    Language.find_or_create_by!(code: 'ain') { _1.name = 'ain' }
+    Script.find_or_create_by!(code: 'Kana') { _1.name = 'Kana' }
   end
 
   let(:locale) do
-    prepare_english_reference!
-    Locale.find_or_create_by!(code: 'en') do |record|
-      record.language_code = 'en'
-      record.script_code = 'Latn'
-      record.region_code = 826
+    prepare_ainu_reference!
+    Locale.find_or_create_by!(code: 'ain-Kana') do |record|
+      record.language_code = 'ain'
+      record.script_code = 'Kana'
+      record.region_code = 392
       record.variants = ''
-      record.name = 'English'
+      record.name = 'Ainu'
     end
   end
 end