[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/518/ : UNSTABLE in 1h 41m 50s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/517/ : SUCCESS in 3h 04m 44s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/235/ : UNSTABLE in 3h 51m 34s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/520/ : UNSTABLE in 3h 47m 29s