[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/416/ : UNSTABLE in 1h 40m 39s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/413/ : UNSTABLE in 3h 23m 15s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/121/ : UNSTABLE in 3h 46m 33s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/416/ : UNSTABLE in 2h 59m 32s