[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/310/ : SUCCESS in 1h 33m 52s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/303/ : SUCCESS in 4h 05m 24s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/11/ : UNSTABLE in 3h 08m 42s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/303/ : SUCCESS in 3h 57m 10s