[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/325/ : SUCCESS in 1h 40m 30s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/319/ : UNSTABLE in 3h 09m 51s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/27/ : FAILURE in 5h 00m 01s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/318/ : UNSTABLE in 4h 17m 00s