[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/381/ : UNSTABLE in 1h 45m 43s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/374/ : UNSTABLE in 4h 44m 46s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/85/ : UNSTABLE in 3h 18m 55s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/379/ : SUCCESS in 3h 54m 14s