[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/107/ : SUCCESS in 1h 27m 49s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/98/ : UNSTABLE in 3h 48m 20s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/99/ : UNSTABLE in 2h 56m 00s