test: Add test to detect notebook regressions

[mark-koch]

Closes #375

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 92.32%. Comparing base (536abf9) to head (e1b0a5c).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #383   +/-   ##
=======================================
  Coverage   92.32%   92.32%           
=======================================
  Files          48       48           
  Lines        5014     5015    +1     
=======================================
+ Hits         4629     4630    +1     
  Misses        385      385           

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