[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/411/ : UNSTABLE in 1h 48m 16s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/407/ : UNSTABLE in 3h 02m 59s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/117/ : UNSTABLE in 2h 56m 59s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/411/ : UNSTABLE in 3h 33m 47s