test_expect_success 'Show verbose error when HEAD could not be detached' '
>B &&
test_must_fail git rebase topic 2>output.err >output.out &&
- grep "The following untracked working tree files would be overwritten by checkout:" output.err &&
- grep B output.err
+ test_i18ngrep "The following untracked working tree files would be overwritten by checkout:" output.err &&
+ test_i18ngrep B output.err
'
rm -f B