try_to_load_dependency

# File activerecord/lib/active_record/fixtures.rb, line 855
        def try_to_load_dependency(file_name)
          require_dependency file_name
        rescue LoadError => e
          # Let's hope the developer has included it himself

          # Let's warn in case this is a subdependency, otherwise
          # subdependency error messages are totally cryptic
          if ActiveRecord::Base.logger
            ActiveRecord::Base.logger.warn("Unable to load #{file_name}, underlying cause #{e.message} \n\n #{e.backtrace.join("\n")}")
          end
        end