[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/390/ : UNSTABLE in 1h 55m 20s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/383/ : UNSTABLE in 3h 17m 23s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/94/ : UNSTABLE in 3h 53m 59s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/388/ : UNSTABLE in 3h 21m 38s