[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/530/ : FAILURE in 1m 56s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/529/ : UNSTABLE in 3h 22m 42s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/248/ : UNSTABLE in 3h 32m 08s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/532/ : UNSTABLE in 4h 28m 01s