Rewrite tests

tests/integration/test_ergogen_footprint_converter.py

@@ -1,5 +1,8 @@
 from pytest import fixture
+from pathlib import Path
+
 import pytest
+
 import ergogen_footprint_converter.main as main
 
 res_path = "tests/integration/data/simple/" 
@@ -14,8 +17,8 @@ def out_dir (tmp_path):
 
 def call_main (in_file, out_dir):
     args = {
-        "in": res_path + in_file,
-        "out": out_dir
+        "in_file": Path(res_path + in_file),
+        "out": Path(out_dir)
     }
 
     main.main(args)