tests(worker): Add failure output to pytest log for validator integration test

[nellh]

Log details about the recent CI failure for this test.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 48.90%. Comparing base (6678b50) to head (7346ba3).
⚠️ Report is 9 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4043      +/-   ##
==========================================
+ Coverage   47.58%   48.90%   +1.31%     
==========================================
  Files         627      686      +59     
  Lines       35674    38064    +2390     
  Branches     1894     1894              
==========================================
+ Hits        16977    18615    +1638     
- Misses      18536    19288     +752     
  Partials      161      161              

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[codecov]

Bundle Report

Bundle size has no change ✅