test(list): unit tests and snapshots for ordered and unordered list

[annawen1]

Closes #19303
Closes #19309

Unit tests for Web Components cds-ordered-list and cds-unordered-list

Changelog

New

• added unit test for React UnorderedList to cover the expressive use case
• added unit tests for cds-ordered-list and cds-unordered-list

Testing / Reviewing

Ci-checks pass

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.57%. Comparing base (97343be) to head (ad052c4).
Report is 10 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #19310   +/-   ##
=======================================
  Coverage   84.57%   84.57%           
=======================================
  Files         381      381           
  Lines       14436    14436           
  Branches     4766     4763    -3     
=======================================
  Hits        12209    12209           
- Misses       2072     2073    +1     
+ Partials      155      154    -1     

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[heloiselui]

LGTM!