def makeVouchers(self, user, number, voucher_proxy=None): if voucher_proxy is None: voucher_proxy = TestSalesforceVoucherProxy() self.registerUtility(voucher_proxy, ISalesforceVoucherProxy) vouchers = [] for n in xrange(number): vouchers.append(voucher_proxy.grantVoucher(user, user, user, 12)) return vouchers