[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/424/ : UNSTABLE in 1h 39m 11s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/421/ : UNSTABLE in 4h 04m 25s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/131/ : FAILURE in 0s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/424/ : UNSTABLE in 2h 57m 09s