mail-server: fix json schema tests

2 jobs for feature/rapid-cdn-clean-cluster in 0 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  External
passed SlapOS.SoftwareReleases.IntegrationTest-luke/fix/monitor-surykatka-update-on-total-time

01:11:38

canceled SlapOS.SoftwareReleases.IntegrationTest-luke/fix/monitor-surykatka-update-on-total-time

00:06:15