chore: fix file url in audio test-cases

[donch1989]

Because

• The file URL in test cases used a link to the feature branch

This commit

• fixes the link

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 20.87%. Comparing base (8d842a6) to head (cb2cae3).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #796      +/-   ##
==========================================
+ Coverage   19.66%   20.87%   +1.21%     
==========================================
  Files         327      333       +6     
  Lines       64197    65801    +1604     
==========================================
+ Hits        12626    13738    +1112     
- Misses      49674    50052     +378     
- Partials     1897     2011     +114     

Flag	Coverage Δ
unittests	20.87% <ø> (+1.21%)	⬆️

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