+test_begin_subtest "multipart/alternative hides html by default"
+test_emacs '(notmuch-show "id:cf0c4d610911171136h1713aa59w9cf9aa31f052ad0a@mail.gmail.com")
+ (test-visible-output)'
+test_expect_equal_file $EXPECTED/notmuch-show-multipart-alternative OUTPUT