[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/545/ : UNSTABLE in 1h 51m 43s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/545/ : SUCCESS in 3h 09m 51s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/263/ : UNSTABLE in 3h 53m 40s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/547/ : UNSTABLE in 4h 33m 16s