[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/410/ : UNSTABLE in 1h 40m 52s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/406/ : UNSTABLE in 3h 31m 44s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/116/ : UNSTABLE in 3h 44m 21s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/410/ : UNSTABLE in 3h 53m 38s