*: fix TestSupportedSuffixForServerDisk when in RBE (#48249)

close #48225

pkg/executor/importer/import_test.go

@@ -19,6 +19,7 @@ import (
 	"fmt"
 	"net/url"
 	"os"
+	"os/user"
 	"path"
 	"path/filepath"
 	"runtime"
@@ -308,6 +309,11 @@ func TestGetBackendWorkerConcurrency(t *testing.T) {
 }
 
 func TestSupportedSuffixForServerDisk(t *testing.T) {
+	username, err := user.Current()
+	require.NoError(t, err)
+	if username.Name == "root" {
+		t.Skip("it cannot run as root")
+	}
 	tempDir := t.TempDir()
 	ctx := context.Background()
 
@@ -363,7 +369,7 @@ func TestSupportedSuffixForServerDisk(t *testing.T) {
 	require.ErrorContains(t, err2, "URI of data source is invalid")
 	// non-exist parent directory
 	c.Path = "/path/to/non/exists/file.csv"
-	err := c.InitDataFiles(ctx)
+	err = c.InitDataFiles(ctx)
 	require.ErrorIs(t, err, exeerrors.ErrLoadDataInvalidURI)
 	require.ErrorContains(t, err, "no such file or directory")
 	// without permission to parent dir