+test_begin_subtest "One character directory at top level"
+test_subtest_known_broken
+
+generate_message [dir]=A
+generate_message [dir]=A/B
+generate_message [dir]=A/B/C
+
+output=$(NOTMUCH_NEW --debug)
+test_expect_equal "$output" "Added 3 new messages to the database."
+
+# clean up after the broken test to not mess up other tests
+rm -rf "${MAIL_DIR}"/A
+NOTMUCH_NEW 2>&1 > /dev/null
+