Fix test on Windows

tests/tests/test_general/test_system.py

@@ -45,18 +45,18 @@ def mock_statvfs():
     """Fixture to mock os.statvfs."""
     f_frsize = 1024
     f_bavail = 1000
-    if not hasattr(os, "statvfs"):
-        # Windows doesn't have statvfs, so we need to mock it
-        mocked_statvfs = MagicMock()
-        mocked_statvfs.return_value = MagicMock(
-            f_frsize=f_frsize, f_bavail=f_bavail
-        )
 
+    # Create a MagicMock with specified attributes
+    mocked_statvfs_result = MagicMock(f_frsize=f_frsize, f_bavail=f_bavail)
+
+    # For Windows, where os.statvfs doesn't exist
+    if not hasattr(os, "statvfs"):
+        # Create a MagicMock for os.statvfs
+        mocked_statvfs = MagicMock(return_value=mocked_statvfs_result)
     else:
-        # Linux/macOS has statvfs so only the values need to be set
-        mocked_statvfs = Mock()
-        mocked_statvfs.f_frsize = f_frsize  # Fragment size
-        mocked_statvfs.f_bavail = f_bavail  # Free blocks
+        # For Unix-like systems, return a Mock object that mimics the result
+        mocked_statvfs = Mock(return_value=mocked_statvfs_result)
+
     return mocked_statvfs