[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/499/ : FAILURE in 12m 40s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/498/ : UNSTABLE in 3h 16m 11s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/215/ : SUCCESS in 3h 39m 11s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/501/ : UNSTABLE in 3h 29m 58s