::fixture-ready::
$ tail -n 20 /var/log/nginx/error.log
2026/06/25 10:00:01 [notice] 11#11: start worker process
2026/06/25 10:01:42 [error] 11#11: *7 connect() failed (111: Connection refused) while connecting to upstream
2026/06/25 10:02:05 [warn] 11#11: upstream server temporarily disabled
2026/06/25 10:03:16 [error] 11#11: *9 access forbidden by rule, client: 203.0.113.44
2026/06/25 10:04:33 [error] 11#11: *10 upstream timed out while reading response header
::exit-code::0
$ tail -n 80 -f /var/log/nginx/error.log
2026/06/25 10:00:01 [notice] 11#11: start worker process
2026/06/25 10:01:42 [error] 11#11: *7 connect() failed (111: Connection refused) while connecting to upstream
2026/06/25 10:02:05 [warn] 11#11: upstream server temporarily disabled
2026/06/25 10:03:16 [error] 11#11: *9 access forbidden by rule, client: 203.0.113.44
2026/06/25 10:04:33 [error] 11#11: *10 upstream timed out while reading response header
::exit-code::124
$ printf 'simulate a new error line\n' >> /var/log/nginx/error.log
::exit-code::0