[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/389/ : UNSTABLE in 1h 40m 34s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/382/ : UNSTABLE in 3h 16m 19s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/93/ : UNSTABLE in 4h 57m 57s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/387/ : UNSTABLE in 3h 20m 39s