test: treat undefined feature variables as 0

[notmuch] / test / T392-python-cffi-notmuch.sh

diff --git a/test/T392-python-cffi-notmuch.sh b/test/T392-python-cffi-notmuch.sh
index 15c8fc6bbe0b7dd76830df509678ebd35d235228..061612193cbe8d3f8373e7a4fe26bfddc9e41359 100755 (executable)
--- a/test/T392-python-cffi-notmuch.sh
+++ b/test/T392-python-cffi-notmuch.sh
@@ -2,7 +2,7 @@
 test_description="python bindings (notmuch test suite)"
 . $(dirname "$0")/test-lib.sh || exit 1
 
-if [ $NOTMUCH_HAVE_PYTHON3_CFFI -eq 0 -o $NOTMUCH_HAVE_PYTHON3_PYTEST -eq 0 ]; then
+if [ "${NOTMUCH_HAVE_PYTHON3_CFFI-0}" = "0" -o "${NOTMUCH_HAVE_PYTHON3_PYTEST-0}" = "0" ]; then
     test_done
 fi