chore: remove temporary workaround in tests

[just-boris]

Description

The linked PR cloudscape-design/component-toolkit#118 is released now, the tests pass without the workaround

Related links, issue #, if available: n/a

How has this been tested?

test-only change

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.42%. Comparing base (7c8f26d) to head (6f0ee46).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3280   +/-   ##
=======================================
  Coverage   96.42%   96.42%           
=======================================
  Files         791      791           
  Lines       22574    22574           
  Branches     7735     7735           
=======================================
  Hits        21766    21766           
  Misses        754      754           
  Partials       54       54           

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