diff --git a/tests/common/e2e_test.go b/tests/common/e2e_test.go
index 1debbafaa..1284714b1 100644
--- a/tests/common/e2e_test.go
+++ b/tests/common/e2e_test.go
@@ -17,8 +17,16 @@
 
 package common
 
-import "go.etcd.io/etcd/tests/v3/framework"
+import (
+	"go.etcd.io/etcd/tests/v3/framework"
+	"go.etcd.io/etcd/tests/v3/framework/config"
+	"go.etcd.io/etcd/tests/v3/framework/e2e"
+)
 
 func init() {
 	testRunner = framework.E2eTestRunner
 }
+
+func WithAuth(userName, password string) config.ClientOption {
+	return e2e.WithAuth(userName, password)
+}
diff --git a/tests/common/integration_test.go b/tests/common/integration_test.go
index a2588a9cc..d875dbc82 100644
--- a/tests/common/integration_test.go
+++ b/tests/common/integration_test.go
@@ -19,8 +19,14 @@ package common
 
 import (
 	"go.etcd.io/etcd/tests/v3/framework"
+	"go.etcd.io/etcd/tests/v3/framework/config"
+	"go.etcd.io/etcd/tests/v3/framework/integration"
 )
 
 func init() {
 	testRunner = framework.IntegrationTestRunner
 }
+
+func WithAuth(userName, password string) config.ClientOption {
+	return integration.WithAuth(userName, password)
+}
diff --git a/tests/framework/config/client.go b/tests/framework/config/client.go
index 124d2eb3d..e570c9c11 100644
--- a/tests/framework/config/client.go
+++ b/tests/framework/config/client.go
@@ -21,9 +21,10 @@ import (
 )
 
 // ClientOption configures the client with additional parameter.
-// For example, if Auth is enabled,
-//  1. e2e test cases use e2e.WithAuth to return a ClientOption;
-//  2. integration test, uses integration.WithAuth to return a ClientOption.
+// For example, if Auth is enabled, the common test cases just need to
+// use `WithAuth` to return a ClientOption. Note that the common `WithAuth`
+// function calls `e2e.WithAuth` or `integration.WithAuth`, depending on the
+// build tag (either "e2e" or "integration").
 type ClientOption func(any)
 
 type GetOptions struct {