[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/413/ : UNSTABLE in 1h 16m 58s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/409/ : UNSTABLE in 3h 09m 05s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/118/ : UNSTABLE in 3h 48m 43s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/413/ : UNSTABLE in 3h 19m 16s