* Add error handling for all service calls
* Switch siren to use internal function
* Remove failing checks
* Revert change to poll service, add comments, and add additional error handling
* Add error handling for ping and refresh + review comment + add tests
* Add test for statistics entity refresh
* Add None guard for humidifier entity is_on
* Add guards in more places
* Update homeassistant/components/zwave_js/humidifier.py
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>