[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/340/ : SUCCESS in 1h 43m 59s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/333/ : UNSTABLE in 4h 34m 27s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/42/ : UNSTABLE in 3h 12m 21s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/332/ : UNSTABLE in 3h 24m 25s