Use syrupy for model testing

[klaasnicolaas]

Proposed change

Additional information

• This PR fixes or closes issue: fixes #

Checklist

• I have updated the documentation if needed.
• I have updated the tests if needed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (2b0c027) to head (73079db).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #636   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            4         4           
  Lines          106       106           
  Branches         3         3           
=========================================
  Hits           106       106           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.