[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/330/ : SUCCESS in 1h 35m 03s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/323/ : SUCCESS in 3h 35m 41s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/32/ : UNSTABLE in 4h 48m 27s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/322/ : UNSTABLE in 4h 18m 25s