[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/481/ : UNSTABLE in 1h 42m 06s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/479/ : UNSTABLE in 3h 17m 36s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/193/ : UNSTABLE in 3h 24m 14s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/481/ : FAILURE in 3h 19m 23s