thread:XXX 2001-01-05 [1/1] Notmuch Test Suite; One (:\" inbox tag1 unread)
thread:XXX 2001-01-05 [1/1] Notmuch Test Suite; Two (inbox tag1 tag4 unread)"
thread:XXX 2001-01-05 [1/1] Notmuch Test Suite; One (:\" inbox tag1 unread)
thread:XXX 2001-01-05 [1/1] Notmuch Test Suite; Two (inbox tag1 tag4 unread)"