[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/460/ : UNSTABLE in 1h 33m 50s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/457/ : FAILURE in 5h 00m 01s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/170/ : FAILURE in 5h 00m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/460/ : UNSTABLE in 4h 37m 16s