[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/391/ : UNSTABLE in 1h 55m 54s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/384/ : UNSTABLE in 3h 17m 15s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/95/ : UNSTABLE in 3h 21m 05s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/389/ : FAILURE in 5h 00m 00s