[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/101/ : UNSTABLE in 1h 37m 23s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/92/ : FAILURE in 5h 00m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/93/ : SUCCESS in 3h 33m 50s