[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/343/ : SUCCESS in 1h 45m 37s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/336/ : UNSTABLE in 3h 36m 18s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/45/ : UNSTABLE in 3h 25m 02s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/335/ : UNSTABLE in 3h 14m 23s