address comments

internal/common/auth/service_wrapper.go

@@ -22,17 +22,15 @@ package auth
 
 import (
 	"context"
-	"github.com/golang-jwt/jwt/v5"
-
-	"go.uber.org/yarpc"
 
+	"github.com/golang-jwt/jwt/v5"
 	"go.uber.org/cadence/.gen/go/cadence/workflowserviceclient"
 	"go.uber.org/cadence/.gen/go/shared"
+	"go.uber.org/yarpc"
 )
 
 const (
-	jwtHeaderName     = "cadence-authorization"
-	JWTInternalIssuer = "internal-jwt"
+	jwtHeaderName = "cadence-authorization"
 )
 
 type workflowServiceAuthWrapper struct {

internal/jwt_authorization.go

@@ -29,6 +29,8 @@ import (
 	"go.uber.org/cadence/internal/common/util"
 )
 
+const internalIssuer = "internal-jwt"
+
 type JWTAuthProvider struct {
 	PrivateKey []byte
 }
@@ -48,7 +50,7 @@ func (j *JWTAuthProvider) GetAuthToken() ([]byte, error) {
 	ttl := int64(60 * 10)
 	claims := auth.JWTClaims{
 		RegisteredClaims: jwt.RegisteredClaims{
-			Issuer:    auth.JWTInternalIssuer,
+			Issuer:    internalIssuer,
 			IssuedAt:  jwt.NewNumericDate(time.Now()),
 			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Second * time.Duration(ttl))),
 		},

internal/jwt_authorization_test.go

@@ -21,11 +21,11 @@
 package internal
 
 import (
-	"github.com/stretchr/testify/assert"
 	"os"
 	"testing"
 
 	"github.com/golang-jwt/jwt/v5"
+	"github.com/stretchr/testify/assert"
 	"go.uber.org/cadence/internal/common/auth"
 	"go.uber.org/cadence/internal/common/util"
 )