[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/428/ : UNSTABLE in 1h 39m 12s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/424/ : FAILURE in 5h 00m 27s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/134/ : UNSTABLE in 3h 09m 20s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/428/ : FAILURE in 5h 00m 27s