[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/401/ : UNSTABLE in 1h 45m 35s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/396/ : UNSTABLE in 3h 33m 12s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/105/ : SUCCESS in 3h 33m 23s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/401/ : UNSTABLE in 3h 13m 52s