优化结构

internal/integration/payment/adapter_test.go

@@ -1,13 +1,12 @@
 package payment
 
 import (
+	"kra/internal/biz/system"
 	"testing"
-
-	"kra/internal/biz"
 )
 
 func TestEverySupportedProviderHasAdapter(t *testing.T) {
-	for _, provider := range biz.SupportedPaymentProviders {
+	for _, provider := range system.SupportedPaymentProviders {
 		t.Run(provider, func(t *testing.T) {
 			adapter, err := New(provider)
 			if err != nil {