[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/314/ : SUCCESS in 1h 40m 07s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/307/ : UNSTABLE in 4h 03m 08s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/15/ : SUCCESS in 3h 08m 34s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/307/ : SUCCESS in 3h 44m 35s