Increase a couple test timeouts

[andyleiserson]

These tests timed out in https://github.com/private-attribution/ipa/actions/runs/12439153477/job/34732429420.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.85%. Comparing base (3413c3c) to head (14d8e2a).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1516      +/-   ##
==========================================
- Coverage   93.07%   92.85%   -0.22%     
==========================================
  Files         242      242              
  Lines       44174    44178       +4     
==========================================
- Hits        41113    41021      -92     
- Misses       3061     3157      +96     

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