[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/193/ : UNSTABLE in 1h 31m 51s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/186/ : UNSTABLE in 4h 21m 29s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/185/ : UNSTABLE in 3h 45m 01s