✅ Rework race conditions specs in tutorial

[dubzzz]

Category:

• ✨ Introduce new features
• 📝 Add or update documentation
• ✅ Add or update tests
• 🐛 Fix a bug
• 🏷️ Add or update types
• ⚡️ Improve performance
• Other(s): ...

Potential impacts:

• Generated values
• Shrink values
• Performance
• Typings
• Other(s): ...

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[codecov]

Codecov Report

Merging #3903 (e794e48) into main (2b1c1ed) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #3903   +/-   ##
=======================================
  Coverage   95.16%   95.16%           
=======================================
  Files         205      205           
  Lines        5314     5314           
  Branches     1123     1123           
=======================================
  Hits         5057     5057           
  Misses        241      241           
  Partials       16       16           

Flag	Coverage Δ
unit-tests	95.16% <ø> (ø)
unit-tests-14.x-Linux	?
unit-tests-16.x-Linux	?
unit-tests-18.x-Linux	95.16% <ø> (ø)
unit-tests-latest-Linux	95.16% <ø> (ø)

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