Wiper stalk, test

This function is used to control the lever for the wiper stalk.
Test conditions:
Procedure:
  1. Lansaţi funcţia.
  2. Check that the lever status is consistent with the test.
  3. At the end of the test press "OK".
  4. Funcţia a fost pusă în aplicare.
If the function fails, check the test conditions and try again.