test-lib: add the '--stress' option to run a test repeatedly under load

diff --git a/t/t0203-gettext-setlocale-sanity.sh b/t/t0203-gettext-setlocale-sanity.sh
index 71b0d74b4ddef584e3f8af711df6b5c5678034c5..0ce1f22eff66285ee0da9b1830de961555fbad2b 100755 (executable)
--- a/t/t0203-gettext-setlocale-sanity.sh
+++ b/t/t0203-gettext-setlocale-sanity.sh
@@ -11,7 +11,7 @@ test_expect_success 'git show a ISO-8859-1 commit under C locale' '
        . "$TEST_DIRECTORY"/t3901/8859-1.txt &&
        test_commit "iso-c-commit" iso-under-c &&
        git show >out 2>err &&
-       ! test -s err &&
+       test_must_be_empty err &&
        grep -q "iso-c-commit" out
 '
 
@@ -19,7 +19,7 @@ test_expect_success GETTEXT_LOCALE 'git show a ISO-8859-1 commit under a UTF-8 l
        . "$TEST_DIRECTORY"/t3901/8859-1.txt &&
        test_commit "iso-utf8-commit" iso-under-utf8 &&
        LANGUAGE=is LC_ALL="$is_IS_locale" git show >out 2>err &&
-       ! test -s err &&
+       test_must_be_empty err &&
        grep -q "iso-utf8-commit" out
 '