[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/383/ : UNSTABLE in 1h 59m 25s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/376/ : SUCCESS in 3h 16m 50s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/87/ : SUCCESS in 3h 19m 43s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/381/ : UNSTABLE in 3h 58m 09s