v.what.rast3: Rename test folder and fix execution of test

[echoix]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (main@ddf374e). Click here to learn what that means.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #33   +/-   ##
=======================================
  Coverage        ?   30.07%           
=======================================
  Files           ?     2695           
  Lines           ?   284010           
  Branches        ?    54359           
=======================================
  Hits            ?    85409           
  Misses          ?   188812           
  Partials        ?     9789           

Flag	Coverage Δ
gunittest-ubuntu-22.04	29.38% <0.00%> (?)
gunittest-ubuntu-22.04_without_x	29.48% <0.00%> (?)
pytest-python-3.10	16.09% <0.00%> (?)
pytest-python-3.12	16.10% <0.00%> (?)
pytest-python-3.8	16.15% <0.00%> (?)

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