test_expect_success 'notmuch help' 'notmuch help'
test_expect_success 'notmuch --version' 'notmuch --version'
-if ${TEST_DIRECTORY}/have-man; then
+if [ $NOTMUCH_HAVE_MAN -eq 1 ]; then
test_expect_success 'notmuch --help tag' 'notmuch --help tag'
test_expect_success 'notmuch help tag' 'notmuch help tag'
else