test_expect_equal_file $EXPECTED/notmuch-show-decrypted-message OUTPUT
test_begin_subtest "show encrypted rfc822 message"
-test_subtest_known_broken
+if ${TEST_EMACS} --quick --batch --eval '(kill-emacs (if (version< emacs-version "28") 0 1))'; then
+ test_subtest_known_broken
+fi
test_emacs '(notmuch-show "id:encrypted-rfc822-attachment@crypto.notmuchmail.org")
(test-visible-output)'
test_expect_code 1 'fgrep "!!!" OUTPUT'