[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/374/ : UNSTABLE in 1h 33m 55s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/367/ : SUCCESS in 4h 47m 12s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/78/ : UNSTABLE in 4h 26m 52s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/372/ : UNSTABLE in 3h 53m 39s