git on Mac OS and precomposed unicode

diff --git a/t/t4150-am.sh b/t/t4150-am.sh
index ebb4a26a0d397b69736edf035be1f057b718266c..cdafd7e7c1e6c73a97c36a60f77810badff603f2 100755 (executable)
--- a/t/t4150-am.sh
+++ b/t/t4150-am.sh
@@ -525,7 +525,7 @@ test_expect_success 'am empty-file does not infloop' '
        git reset --hard &&
        touch empty-file &&
        test_tick &&
-       { git am empty-file > actual 2>&1 && false || :; } &&
+       test_must_fail git am empty-file 2>actual &&
        echo Patch format detection failed. >expected &&
        test_i18ncmp expected actual
 '