Merge pull request #30113 from dixpac/remove_unecessary_require_in_test_helper

ActiveStorage: Remove unnecessary require in test_helper

activestorage/test/test_helper.rb

@@ -14,8 +14,6 @@ require "active_job"
 ActiveJob::Base.queue_adapter = :test
 ActiveJob::Base.logger = ActiveSupport::Logger.new(nil)
 
-require "active_storage"
-
 # Filter out Minitest backtrace while allowing backtrace from other libraries
 # to be shown.
 Minitest.backtrace_filter = Minitest::BacktraceFilter.new