Add test for create_platform when Hardware is used

[stavros11]

Adds test for the fix in #1151.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.69%. Comparing base (e12d6f5) to head (fa1b22e).
Report is 3 commits behind head on hardware-instruments-load.

Additional details and impacted files

@@                      Coverage Diff                      @@
##           hardware-instruments-load    #1153      +/-   ##
=============================================================
+ Coverage                      52.60%   52.69%   +0.09%     
=============================================================
  Files                             71       71              
  Lines                           3173     3177       +4     
=============================================================
+ Hits                            1669     1674       +5     
+ Misses                          1504     1503       -1     

Flag	Coverage Δ
unittests	52.69% <100.00%> (+0.09%)	⬆️

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[alecandido]

Just some suggestions for refinement. But in general it is definitely good. Thanks for the addition!