[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/427/ : UNSTABLE in 1h 11m 25s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/423/ : SUCCESS in 4h 32m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/133/ : UNSTABLE in 3h 44m 31s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/427/ : UNSTABLE in 2h 56m 27s