[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/516/ : UNSTABLE in 1h 35m 34s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/515/ : UNSTABLE in 3h 32m 53s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/233/ : SUCCESS in 3h 18m 46s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/518/ : UNSTABLE in 4h 27m 03s