* Use snapshot testing in NAM diagnostics
* Use snapshot testing in NAM sensor
* Add NAM data fixture
---------
Co-authored-by: Maciej Bieniek <478555+bieniu@users.noreply.github.com>
Co-authored-by: Sid <27780930+autinerd@users.noreply.github.com>
Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick@koston.org>