[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/453/ : UNSTABLE in 1h 33m 52s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/450/ : SUCCESS in 3h 17m 02s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/161/ : FAILURE in 5h 00m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/453/ : UNSTABLE in 4h 38m 30s