[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/484/ : UNSTABLE in 1h 48m 45s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/482/ : SUCCESS in 3h 11m 49s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/198/ : UNSTABLE in 3h 33m 31s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/485/ : UNSTABLE in 4h 29m 48s