[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/459/ : UNSTABLE in 1h 51m 06s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/456/ : UNSTABLE in 4h 19m 49s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/168/ : FAILURE in 10s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/459/ : FAILURE in 9s