[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/495/ : FAILURE in 5m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/494/ : UNSTABLE in 3h 02m 10s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/211/ : UNSTABLE in 3h 28m 25s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/497/ : UNSTABLE in 3h 28m 42s