[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/364/ : UNSTABLE in 1h 40m 29s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/357/ : SUCCESS in 4h 44m 36s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/68/ : SUCCESS in 3h 29m 52s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/357/ : UNSTABLE in 3h 19m 01s