[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/534/ : UNSTABLE in 1h 53m 24s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/533/ : FAILURE in 5h 00m 02s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/252/ : FAILURE in 5h 00m 01s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/536/ : FAILURE in 5h 00m 02s