+test_begin_subtest "trusting reply-to (tree view)"
+test_emacs '(notmuch-tree "id:B00-root@example.org")
+ (notmuch-test-wait)
+ (test-output)
+ (delete-other-windows)'
+cat <<EOF > EXPECTED
+ 2016-06-17 Alice ┬►root message (inbox unread)
+ 2016-06-18 Alice ╰┬►child message (inbox unread)
+ 2016-06-18 Alice ╰─►grand-child message (inbox unread)
+End of search results.
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+