tests: chmod: fix false failure in recent test

* tests/chmod/partial-fail.sh: Test readablility of mode 0 files
independently, to avoid false failure, e.g., when run as root.
Reported by Bruno Haible.

diff --git a/tests/chmod/partial-fail.sh b/tests/chmod/partial-fail.sh
index 97892d2570c886d30cacef4fbe04f1b99c4b5814..104da9512805d13e42adf8d3bcfc91f37081891a 100755 (executable)
--- a/tests/chmod/partial-fail.sh
+++ b/tests/chmod/partial-fail.sh
@@ -21,6 +21,11 @@ print_ver_ chmod
 
 touch file || framework_failure_
 returns_ 1 chmod 0 missing_file file || fail=1
-test -r file && fail=1
+
+touch unreadable || framework_failure_
+chmod 0 unreadable || framework_failure_
+if ! test -r unreadable; then
+  test -r file && fail=1
+fi
 
 Exit $fail