Add unit tests for Utils.hpp

[oruebel]

No description provided.

[oruebel]

@stephprince note, I did not add unit tests for the convertFloatToInt16LE function because the behavior in edge cases was not clear to me and led to errors when I tried to create tests for it automatically with Cline.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 98.24561% with 1 line in your changes missing coverage. Please review.

Project coverage is 91.83%. Comparing base (354147f) to head (e245449).

Files with missing lines	Patch %	Lines
src/Utils.hpp	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #137      +/-   ##
==========================================
+ Coverage   91.66%   91.83%   +0.16%     
==========================================
  Files          57       58       +1     
  Lines        3839     3894      +55     
  Branches      254      256       +2     
==========================================
+ Hits         3519     3576      +57     
+ Misses        310      308       -2     
  Partials       10       10              

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