[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/526/ : FAILURE in 2m 23s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/525/ : UNSTABLE in 3h 21m 14s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/243/ : UNSTABLE in 3h 35m 04s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/528/ : UNSTABLE in 4h 26m 26s