[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/467/ : UNSTABLE in 1h 33m 48s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/465/ : UNSTABLE in 3h 05m 07s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/179/ : UNSTABLE in 3h 34m 16s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/467/ : UNSTABLE in 3h 49m 24s