[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/535/ : UNSTABLE in 1h 42m 15s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/534/ : FAILURE in 5h 00m 35s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/253/ : FAILURE in 5h 00m 35s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/537/ : FAILURE in 5h 00m 01s