403 Error
PERMISSION_DENIED
Unable to read file/tail/gs:%2F%2Fkokoro_build_logs%2Fkokoro-sisyphus%2Fresultstore%2Fprod%2Fcloud-devrel%2Fclient-libraries%2Fpython%2Fgoogleapis%2Fpython-spanner%2Fsamples%2Fpython3.8%2Fperiodic%2F5d2d17d4-cf86-4838-8f53-2f64eed6c93a%2Fbuild.log. Either the file does not exist or there is a permission issue.