test: migrate some snapshots from python to js

[bjohansebas]

~~There’s still one test failing related to this PR, but with this PR we should have migrated all the tests in /test/message to use Node.js' built-in snapshots~~

ref #47707

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 90.23%. Comparing base (9524908) to head (d6aea7f). :warning: Report is 1294 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #57778      +/-   ##
==========================================
- Coverage   90.25%   90.23%   -0.02%     
==========================================
  Files         635      635              
  Lines      187635   187635              
  Branches    36861    36863       +2     
==========================================
- Hits       169347   169315      -32     
- Misses      11055    11099      +44     
+ Partials     7233     7221      -12     

see 34 files with indirect coverage changes

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