fix: unbreak red API + group serializer tests

[jennifer-richards]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.36%. Comparing base (8005a8b) to head (d4c9050).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10467      +/-   ##
==========================================
- Coverage   88.36%   88.36%   -0.01%     
==========================================
  Files         325      325              
  Lines       43653    43719      +66     
==========================================
+ Hits        38576    38631      +55     
- Misses       5077     5088      +11     

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