fix: revert package name change

Author: stormqueen1990

kustomize/commands/internal/util/util_test.go

@@ -1,7 +1,7 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-package util_test
+package util
 
 import (
 	"fmt"
@@ -10,7 +10,6 @@ import (
 
 	"github.com/stretchr/testify/require"
 	"sigs.k8s.io/kustomize/api/ifc"
-	. "sigs.k8s.io/kustomize/kustomize/v5/commands/internal/util"
 	"sigs.k8s.io/kustomize/kyaml/filesys"
 )