fs/fserrors: Add test for error from #1964
fs/fserrors: Add test for error from #1964

ncw/rclone,yonjah/rclone,B4dM4n/rclone,yonjah/rclone,seuffert/rclone,olihey/rclone,yonjah/rclone,olihey/rclone,B4dM4n/rclone,yonjah/rclone,ncw/rclone,ncw/rclone,olihey/rclone,seuffert/rclone,seuffert/rclone,B4dM4n/rclone,seuffert/rclone,ncw/rclone,olihey/rclone,B4dM4n/rclone