[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/533/ : UNSTABLE in 1h 36m 12s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/532/ : FAILURE in 5h 00m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/251/ : FAILURE in 5h 00m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/535/ : FAILURE in 5h 00m 34s