[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/371/ : UNSTABLE in 1h 34m 03s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/364/ : SUCCESS in 3h 43m 09s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/75/ : UNSTABLE in 3h 25m 36s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/369/ : UNSTABLE in 4h 57m 24s