[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/463/ : UNSTABLE in 1h 33m 51s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/460/ : FAILURE in 5h 00m 02s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/173/ : SUCCESS in 4h 30m 35s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/463/ : UNSTABLE in 3h 41m 55s