t9003: become resilient to GETTEXT_POISON

diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh
index af1b20dd5c6763e58eccd3f93722987f5f9ce233..75fa6548c4baeae4192402817ee2264d2f3cb5a9 100755 (executable)
--- a/t/t1400-update-ref.sh
+++ b/t/t1400-update-ref.sh
@@ -361,7 +361,7 @@ test_expect_success 'stdin test setup' '
 
 test_expect_success '-z fails without --stdin' '
        test_must_fail git update-ref -z $m $m $m 2>err &&
-       grep "usage: git update-ref" err
+       test_i18ngrep "usage: git update-ref" err
 '
 
 test_expect_success 'stdin works with no input' '