[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/402/ : UNSTABLE in 1h 38m 53s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/397/ : FAILURE in 5h 00m 01s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/106/ : UNSTABLE in 3h 25m 27s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/402/ : UNSTABLE in 4h 51m 49s