module Workarea module Klarna class BogusGateway def respond_to_missing?(method_name, include_private = false) Gateway.new.respond_to?(method_name) end def method_missing(method_name, *args) return super unless Gateway.new.respond_to?(method_name) OpenStruct.new( success?: false, message: 'This is a bogus gateway', params: {} ) end end end end