[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/182/ : SUCCESS in 1h 55m 05s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/175/ : UNSTABLE in 3h 58m 57s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/174/ : SUCCESS in 3h 01m 52s