[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/313/ : SUCCESS in 1h 41m 53s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/306/ : UNSTABLE in 4h 04m 33s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/14/ : SUCCESS in 3h 59m 35s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/306/ : SUCCESS in 3h 07m 23s