[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/358/ : UNSTABLE in 1h 33m 47s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/351/ : SUCCESS in 3h 06m 14s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/62/ : UNSTABLE in 4h 55m 16s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/351/ : FAILURE in 5h 00m 00s