[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/415/ : UNSTABLE in 1h 39m 04s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/412/ : UNSTABLE in 3h 27m 04s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/120/ : UNSTABLE in 4h 48m 08s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/415/ : UNSTABLE in 3h 46m 10s