[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/326/ : SUCCESS in 1h 40m 20s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/320/ : UNSTABLE in 4h 34m 37s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/28/ : UNSTABLE in 4h 19m 46s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/319/ : UNSTABLE in 3h 47m 11s