fix: stabilize backend tests

backend/app/services/coupon_test.go

@@ -9,7 +9,6 @@ import (
 	"quyun/v2/database"
 	"quyun/v2/database/models"
 	"quyun/v2/pkg/consts"
-	"quyun/v2/providers/storage"
 
 	. "github.com/smartystreets/goconvey/convey"
 	"github.com/stretchr/testify/suite"
@@ -30,7 +29,7 @@ type CouponTestSuite struct {
 }
 
 func Test_Coupon(t *testing.T) {
-	providers := testx.Default().With(Provide).With(storage.Provide)
+	providers := testx.Default().With(Provide)
 
 	testx.Serve(providers, t, func(p CouponTestSuiteInjectParams) {
 		suite.Run(t, &CouponTestSuite{CouponTestSuiteInjectParams: p})