??? fix test

Author: syntron

tests/test_ModelicaSystemOMC.py

@@ -208,7 +208,6 @@ def _run_getSolutions(mod):
 
 def test_variable_filter(model_firstorder):
     mod = OMPython.ModelicaSystemOMC()
-    mod.setWorkDirectory(pathlib.Path(__file__).parent.parent / 'xyz')
     mod.model(
         model_file=model_firstorder,
         model_name="M",