[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/384/ : UNSTABLE in 1h 55m 08s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/377/ : UNSTABLE in 3h 28m 51s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/88/ : SUCCESS in 4h 30m 53s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/382/ : SUCCESS in 3h 19m 06s