delete io/ioutil package as it is deprecated

Signed-off-by: yanggang <gang.yang@daocloud.io>

pkg/controller/backup_finalizer_controller_test.go

@@ -19,7 +19,7 @@ package controller
 import (
 	"bytes"
 	"context"
-	"io/ioutil"
+	"io"
 	"testing"
 	"time"
 
@@ -163,7 +163,7 @@ func TestBackupFinalizerReconcile(t *testing.T) {
 			reconciler, backupper := mockBackupFinalizerReconciler(fakeClient, fakeClock)
 			pluginManager.On("CleanupClients").Return(nil)
 			backupStore.On("GetBackupItemOperations", test.backup.Name).Return(test.backupOperations, nil)
-			backupStore.On("GetBackupContents", mock.Anything).Return(ioutil.NopCloser(bytes.NewReader([]byte("hello world"))), nil)
+			backupStore.On("GetBackupContents", mock.Anything).Return(io.NopCloser(bytes.NewReader([]byte("hello world"))), nil)
 			backupStore.On("PutBackupContents", mock.Anything, mock.Anything).Return(nil)
 			backupStore.On("PutBackupMetadata", mock.Anything, mock.Anything).Return(nil)
 			pluginManager.On("GetBackupItemActionsV2").Return(nil, nil)

pkg/uploader/provider/restic_test.go

@@ -19,7 +19,6 @@ package provider
 import (
 	"context"
 	"errors"
-	"io/ioutil"
 	"os"
 	"strings"
 	"testing"
@@ -211,13 +210,13 @@ func TestResticRunRestore(t *testing.T) {
 func TestClose(t *testing.T) {
 	t.Run("Delete existing credentials file", func(t *testing.T) {
 		// Create temporary files for the credentials and caCert
-		credentialsFile, err := ioutil.TempFile("", "credentialsFile")
+		credentialsFile, err := os.CreateTemp("", "credentialsFile")
 		if err != nil {
 			t.Fatalf("failed to create temp file: %v", err)
 		}
 		defer os.Remove(credentialsFile.Name())
 
-		caCertFile, err := ioutil.TempFile("", "caCertFile")
+		caCertFile, err := os.CreateTemp("", "caCertFile")
 		if err != nil {
 			t.Fatalf("failed to create temp file: %v", err)
 		}
@@ -240,7 +239,7 @@ func TestClose(t *testing.T) {
 
 	t.Run("Delete existing caCert file", func(t *testing.T) {
 		// Create temporary files for the credentials and caCert
-		caCertFile, err := ioutil.TempFile("", "caCertFile")
+		caCertFile, err := os.CreateTemp("", "caCertFile")
 		if err != nil {
 			t.Fatalf("failed to create temp file: %v", err)
 		}