puzzle(#25): puzzle back

[h1alexbel]

PR-Codex overview

This PR focuses on testing error page rendering and fallbacks in both unit and integration tests.

Detailed summary

• Added a TODO comment to test fallbacks
• Mentioned the need to test all fallbacks in both unit and integration tests
• Added a reminder to remove the puzzle comment

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[codecov[bot]]

Codecov Report

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

Comparison is base (c7653c0) 74.24% compared to head (54366d3) 74.24%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #58 +/- ## ========================================= Coverage 74.24% 74.24% Complexity 68 68 ========================================= Files 23 23 Lines 264 264 Branches 16 16 ========================================= Hits 196 196 Misses 62 62 Partials 6 6 ```

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[h1alexbel]

@rultor try to merge

[rultor]

@rultor try to merge

@h1alexbel OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor try to merge

@h1alexbel Done! FYI, the full log is here (took me 6min)