[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/345/ : SUCCESS in 1h 43m 36s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/338/ : UNSTABLE in 4h 43m 25s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/47/ : SUCCESS in 3h 50m 47s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/337/ : UNSTABLE in 3h 23m 33s