[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/542/ : UNSTABLE in 1h 42m 22s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/542/ : UNSTABLE in 3h 15m 02s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/260/ : UNSTABLE in 3h 43m 33s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/544/ : SUCCESS in 3h 42m 01s