Simplify go test case

apps/ppp/src/content/design-patterns/factory/go/code.go

@@ -1,13 +1,13 @@
-package factory
+package payment
 
-type PaymentSystemType string
+type SystemType int
 
 const (
-	PayPal   PaymentSystemType = "paypal"
-	WebMoney PaymentSystemType = "webmoney"
-	CatBank  PaymentSystemType = "cat-bank"
+	PayPal SystemType = iota
+	WebMoney
+	CatBank
 )
 
-func Payment(tp PaymentSystemType, base int, amount int) int {
+func Payment(tp SystemType, base int, amount int) int {
 	panic("Not implemented")
 }

apps/ppp/src/content/design-patterns/factory/go/factory.ts

@@ -5,14 +5,20 @@ import type { UniversalFactory } from "testing/actor";
 import type { GoUniversalFactoryData } from "@/lib/workers/go";
 
 import type { Input, Output } from "../tests-data";
+import type { PaymentSystemType } from "../reference";
 
 export const factory: UniversalFactory<
   Input,
   Output,
   GoUniversalFactoryData<Input, Output>
 > = ({ makeTestRunnerFactory }) => {
+  const GO_PAYMENT_SYSTEM_TYPES: Record<PaymentSystemType, number> = {
+    paypal: 0,
+    webmoney: 1,
+    "cat-bank": 2,
+  };
   return makeTestRunnerFactory(
     ({ paymentSystem, amount, base }) =>
-      `factory.Payment(factory.PaymentSystemType("${paymentSystem}"), ${base}, ${amount})`
+      `payment.Payment(payment.SystemType(${GO_PAYMENT_SYSTEM_TYPES[paymentSystem]}), ${base}, ${amount})`
   );
 };