[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/337/ : SUCCESS in 1h 38m 50s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/330/ : UNSTABLE in 4h 33m 41s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/39/ : UNSTABLE in 4h 19m 02s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/329/ : UNSTABLE in 3h 39m 53s