[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/344/ : SUCCESS in 1h 44m 05s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/337/ : SUCCESS in 3h 05m 04s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/46/ : UNSTABLE in 4h 47m 55s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/336/ : UNSTABLE in 3h 24m 24s