[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/373/ : UNSTABLE in 1h 32m 53s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/366/ : SUCCESS in 3h 02m 04s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/77/ : UNSTABLE in 3h 56m 04s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/371/ : FAILURE in 5h 00m 01s