[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/551/ : FAILURE in 5h 00m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/551/ : UNSTABLE in 3h 14m 44s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/269/ : FAILURE in 2h 31m 19s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/553/ : FAILURE in 2h 31m 32s