Add tests for extract_regex and shorten edge cases

[IkramKhanNiazi]

Adds two missing tests to improve coverage:

• Tests extract_regex() when regex with 'extract' named group returns no match
• Tests shorten() function with custom suffix parameter (previously only the default was tested)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.18%. Comparing base (fd183dd) to head (164365c).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #332   +/-   ##
=======================================
  Coverage   95.18%   95.18%           
=======================================
  Files           5        5           
  Lines         436      436           
  Branches       76       76           
=======================================
  Hits          415      415           
  Misses         13       13           
  Partials        8        8           

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[IkramKhanNiazi]

@wRAR, could you please review this PR?
Thanks

[IkramKhanNiazi]

Hi @wRAR, just a gentle reminder to review this PR when you get a chance. It’ll help me proceed with writing the next test. Thanks

[IkramKhanNiazi]

Hi @wRAR, just a gentle reminder to review this PR when you get a chance. It’ll help me proceed with writing the next test. Thanks