[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/333/ : SUCCESS in 1h 38m 16s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/326/ : UNSTABLE in 4h 35m 20s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/35/ : SUCCESS in 3h 23m 22s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/325/ : UNSTABLE in 4h 22m 57s