make sure rar file exists in tests

tests/test_core.py

@@ -2,7 +2,6 @@
 from __future__ import annotations
 
 import os
-import sys
 from datetime import datetime, timedelta, timezone
 from pathlib import Path
 from textwrap import dedent
@@ -30,11 +29,6 @@
 # Core test
 pytestmark = pytest.mark.core
 
-unix_platform = pytest.mark.skipif(
-    not sys.platform.startswith('linux'),
-    reason='only on linux platform',
-)
-
 
 def ensure(path: str | os.PathLike[str], *, directory: bool = False) -> Path:
     """Create a file (or directory) at path."""
@@ -308,10 +302,11 @@ def test_scan_video_movie_name_path_does_not_exist(movies: dict[str, Movie]) ->
     assert scanned_video.year == video.year
 
 
-@unix_platform
 def test_scan_archive_error(
     rar: dict[str, str],
 ) -> None:
+    if 'pwd-protected' not in rar:
+        return
     path = rar['pwd-protected']
     with pytest.raises(ArchiveError):
         scan_archive(path)
@@ -320,11 +315,12 @@ def test_scan_archive_error(
         scan_video_or_archive(path)
 
 
-@unix_platform
 def test_scan_videos_error(
     rar: dict[str, str],
     caplog: pytest.LogCaptureFixture,
 ) -> None:
+    if 'pwd-protected' not in rar:
+        return
     folder = Path(rar['pwd-protected']).parent
     # Test return without error
     scan_videos(folder)