lightning: fix test lightning_error_summary (#33616)

close pingcap/tidb#33614

br/pkg/lightning/restore/restore.go

@@ -972,7 +972,7 @@ func (rc *Controller) saveStatusCheckpoint(ctx context.Context, tableName string
 	switch {
 	case err == nil:
 		break
-	case utils.IsRetryableError(err), utils.MessageIsRetryableStorageError(err.Error()), common.IsContextCanceledError(err):
+	case utils.MessageIsRetryableStorageError(err.Error()), common.IsContextCanceledError(err):
 		// recoverable error, should not be recorded in checkpoint
 		// which will prevent lightning from automatically recovering
 		return nil

br/pkg/lightning/restore/table_restore_test.go

@@ -18,7 +18,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"net"
 	"net/http"
 	"net/http/httptest"
 	"os"
@@ -996,9 +995,14 @@ func (s *tableRestoreSuite) TestSaveStatusCheckpoint() {
 	require.NoError(s.T(), err)
 	require.Equal(s.T(), 0, len(rc.errorSummaries.summary))
 
-	err = rc.saveStatusCheckpoint(context.Background(), common.UniqueTable("test", "tbl"), indexEngineID, &net.DNSError{IsTimeout: true}, checkpoints.CheckpointStatusImported)
+	err = rc.saveStatusCheckpoint(
+		context.Background(),
+		common.UniqueTable("test", "tbl"), indexEngineID,
+		common.ErrChecksumMismatch.GenWithStackByArgs(0, 0, 0, 0, 0, 0),
+		checkpoints.CheckpointStatusImported,
+	)
 	require.NoError(s.T(), err)
-	require.Equal(s.T(), 0, len(rc.errorSummaries.summary))
+	require.Equal(s.T(), 1, len(rc.errorSummaries.summary))
 
 	start := time.Now()
 	err = rc.saveStatusCheckpoint(context.Background(), common.UniqueTable("test", "tbl"), indexEngineID, nil, checkpoints.CheckpointStatusImported)