Use latest zim-testing-suite

[kelson42]

@veloman-yunkan can you please fix/adapt the code to this, review en merge?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.57%. Comparing base (720f841) to head (f775805).
Report is 75 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #971   +/-   ##
=======================================
  Coverage   57.57%   57.57%           
=======================================
  Files          98       98           
  Lines        4625     4625           
  Branches     1926     1925    -1     
=======================================
  Hits         2663     2663           
  Misses        695      695           
  Partials     1267     1267           

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[veloman-yunkan]

@veloman-yunkan can you please fix/adapt the code to this, review en merge? It should fix #961

@kelson42 I will look into #961 but I don't think that this PR may fix it. Instead, kiwix/kiwix-build#814 is the PR that may address that failure.

On another note, I updated this PR with a change that removes the temporary code needed to support backward incompatible ZIM files with titleIdxPos set to 0.