[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/482/ : UNSTABLE in 1h 42m 42s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/480/ : UNSTABLE in 3h 03m 12s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/195/ : UNSTABLE in 3h 26m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/483/ : UNSTABLE in 3h 16m 36s