range-diff: allow to diff files regardless of submodule config

diff --git a/t/t1401-symbolic-ref.sh b/t/t1401-symbolic-ref.sh
index 9e782a8122f84939156e2bb4e0f871d86399f938..a4ebb0b65fecfada915209cfbc994a1b8ddce439 100755 (executable)
--- a/t/t1401-symbolic-ref.sh
+++ b/t/t1401-symbolic-ref.sh
@@ -65,7 +65,7 @@ reset_to_sane
 test_expect_success 'symbolic-ref fails to delete real ref' '
        echo "fatal: Cannot delete refs/heads/foo, not a symbolic ref" >expect &&
        test_must_fail git symbolic-ref -d refs/heads/foo >actual 2>&1 &&
-       test_path_is_file .git/refs/heads/foo &&
+       git rev-parse --verify refs/heads/foo &&
        test_cmp expect actual
 '
 reset_to_sane