[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/306/ : SUCCESS in 1h 40m 09s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/299/ : SUCCESS in 4h 05m 09s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/7/ : UNSTABLE in 3h 07m 32s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/299/ : SUCCESS in 3h 44m 32s