* add a test for channel +n / -n
* Update irctest/server_tests/chmodes/nooutside.py
Co-authored-by: Val Lorentz <progval+github@progval.net>
* Update irctest/server_tests/chmodes/nooutside.py
Co-authored-by: Val Lorentz <progval+github@progval.net>
* consistently rename to "no external messages"
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Co-authored-by: Val Lorentz <progval+github@progval.net>