# File lib/test/unit/exception-handler.rb, line 68
        def unregister_exception_handler(*method_name_or_handlers)
          method_name_or_handlers.each do |method_name_or_handler|
            if method_name_or_handler.respond_to?(:call)
              handler = method_name_or_handler
              exception_handlers.delete(handler)
            else
              method_name = method_name_or_handler
              attribute(:exception_handler, false, {}, method_name)
            end
          end
        end