test_begin_subtest "filename #9"
output=$(test_emacs '(notmuch-wash-subject-to-filename
"[a prefix] [is only separated] by [spaces], so \"by\" is not okay!")'
)
test_begin_subtest "filename #9"
output=$(test_emacs '(notmuch-wash-subject-to-filename
"[a prefix] [is only separated] by [spaces], so \"by\" is not okay!")'
)