recursively clean compiled fixtures

spec/support/javascript_fixtures_helpers.rb

@@ -13,7 +13,7 @@ module JavaScriptFixturesHelpers
   #
   def clean_frontend_fixtures(directory_name)
     directory_name = File.expand_path(directory_name, FIXTURE_PATH)
-    Dir[File.expand_path('*.html.raw', directory_name)].each do |file_name|
+    Dir[File.expand_path('**/*.html.raw', directory_name)].each do |file_name|
       FileUtils.rm(file_name)
     end
   end