serialize_args_for_assertion

# File activejob/lib/active_job/test_helper.rb, line 221
        def serialize_args_for_assertion(args)
          serialized_args = args.dup
          if job_args = serialized_args.delete(:args)
            serialized_args[:args] = ActiveJob::Arguments.serialize(job_args)
          end
          serialized_args
        end