t3404: add a test for the --gpg-sign option

diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index 8a1cab5892a5549f22003f5f23823452aca61b78..1206c48392c36db04ef422813e76b370eeef20b2 100755 (executable)
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -1072,7 +1072,7 @@ test_expect_success '--from omits redundant in-body header' '
 '
 
 test_expect_success 'in-body headers trigger content encoding' '
-       GIT_AUTHOR_NAME="éxötìc" test_commit exotic &&
+       test_env GIT_AUTHOR_NAME="éxötìc" test_commit exotic &&
        test_when_finished "git reset --hard HEAD^" &&
        git format-patch -1 --stdout --from >patch &&
        cat >expect <<-\EOF &&