[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/339/ : SUCCESS in 1h 43m 20s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/332/ : SUCCESS in 4h 36m 47s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/41/ : UNSTABLE in 3h 16m 47s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/331/ : UNSTABLE in 3h 24m 10s