[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/469/ : UNSTABLE in 1h 46m 33s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/467/ : UNSTABLE in 3h 00m 03s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/181/ : SUCCESS in 3h 53m 13s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/469/ : UNSTABLE in 4h 42m 41s