Fix paths in test (use pathlib)

Author: C-Achard

napari_cellseg3d/_tests/test_utils.py

@@ -209,17 +209,29 @@ def test_parse_default_path():
     user_path = Path().home()
     assert utils.parse_default_path([None]) == str(user_path)
 
-    test_path = "C:/test/test/test/test"
+    test_path = Path("C:") / "test" / "test" / "test" / "test"
     path = [test_path, None, None]
     assert utils.parse_default_path(path, check_existence=False) == test_path
 
-    test_path = "C:/test/does/not/exist"
+    test_path = Path("C:") / "test" / "does" / "not" / "exist"
     path = [test_path, None, None]
     assert utils.parse_default_path(path, check_existence=True) == str(
         Path.home()
     )
 
-    long_path = "D:/very/long/path/what/a/bore/ifonlytherewas/something/tohelpmenotsearchit/allthetime"
+    long_path = Path("D:")
+    long_path = (
+        long_path
+        / "very"
+        / "long"
+        / "path"
+        / "what"
+        / "a"
+        / "bore"
+        / "ifonlytherewassomething"
+        / "tohelpmenotsearchit"
+        / "allthetime"
+    )
     path = [test_path, None, None, long_path, ""]
     assert utils.parse_default_path(path, check_existence=False) == long_path