[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/190/ : SUCCESS in 1h 54m 52s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/183/ : UNSTABLE in 3h 57m 29s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/182/ : UNSTABLE in 3h 44m 39s