Adapt error codes to match newer Windows 11 behavior

- for some OSError exceptions, errno has changed

Author: mrbean-bremen

CHANGES.md

@@ -17,7 +17,7 @@ The released versions correspond to PyPI releases.
 
 ## Fixes
 * fixes patching of Debian-specific `tempfile` in Python 3.13 (see [#1214](../../issues/1214))
-* adapted some error codes for `OSError` to match Windows 11 behavior
+* adapted some error codes for `OSError` to match Windows 11/Windows Server 2025 behavior
 
 ## [Version 5.9.3](https://pypi.python.org/pypi/pyfakefs/5.9.3) (2025-08-28)
 Fixes a utility method.

pyfakefs/fake_filesystem.py

@@ -2073,7 +2073,7 @@ def _rename_to_existing_path(
         new_object = self._get_object(new_file_path)
         if old_file_path == new_file_path:
             if not S_ISLNK(new_object.st_mode) and ends_with_sep:
-                error = errno.EINVAL if self.is_windows_fs else errno.ENOTDIR
+                error = errno.ENOTDIR if self.is_windows_fs else errno.ENOTDIR
                 self.raise_os_error(error, old_file_path)
             return None  # Nothing to do here
 
@@ -3113,7 +3113,9 @@ def remove(self, path: AnyStr) -> None:
                     self.raise_os_error(error, norm_path)
 
                 if path.endswith(self.get_path_separator(path)):
-                    if self.is_macos:
+                    if self.is_windows_fs:
+                        error = errno.EACCES
+                    elif self.is_macos:
                         error = errno.EPERM
                     else:
                         error = errno.ENOTDIR