[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/377/ : UNSTABLE in 1h 43m 47s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/370/ : UNSTABLE in 4h 18m 06s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/81/ : SUCCESS in 3h 26m 08s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/375/ : SUCCESS in 3h 20m 49s