[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/465/ : UNSTABLE in 1h 33m 10s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/463/ : UNSTABLE in 3h 11m 24s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/177/ : UNSTABLE in 3h 47m 38s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/465/ : UNSTABLE in 3h 22m 36s