[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/464/ : UNSTABLE in 1h 30m 51s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/461/ : UNSTABLE in 4h 16m 02s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/174/ : FAILURE in 5h 00m 28s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/464/ : UNSTABLE in 4h 54m 34s