[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/375/ : UNSTABLE in 1h 33m 36s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/368/ : SUCCESS in 3h 06m 14s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/79/ : SUCCESS in 4h 27m 28s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/373/ : UNSTABLE in 4h 57m 30s